List of products by brand UGREEN

* Improve 40% Sound Quality

* Fits all digital Devices with Standard 3.5mm aux Ports

* Straight to angle

* Enameled copper wire core

* Connector gold-plated

* Blue aluminum shell + Braided Cable

* High Quality materials

* 1080P@60Hz, Stable & Fast connection

* Premium Quality, Durable Design & Excellent Flexibility

* 1-10M: 3+6C OD 8.0MM

* 12-30M: 3+9C OD 8.5MM

* ≤5M: with single ferrite core * ＞5M: two ferrite cores

* Input: DP Male, Output: VGA Female 

* Chipset: ANX9833 ; High Performance Transmission

* Resolution: 1920*1080 @60Hz

* without audio

* Support Mirror Mode & Extended Mode

* Premium Quality with Multiple internal shielding

* Compatible with 2.5''/3.5'' HDD, SSD (up to 16TB)

* USB 3.0 Speed up to 5Gbps, SATA3.0, transfer rate up to 6Gbps

* for 9.5mm 7.5mm 2.5 Inch SATA & SSD, for Max 26mm 3.5 Inch SATA & SSD 

* tool-free installation 

* Cable Length: 1M

* DV12V jack with 12V/2A power adapter included in the package 

* Support UASP, the speed can be 20% faster.

* Compatible for Windows, MacOS x, PS4, etc ...

* Size: 194mm*117mm(W)*38mm(H)

* Only for 2.5 Inch HDD and SSD, without Power Adapter, Up to 6TB 

* Chip: ASM1153E (built-in ESD protection circuit, Resistant to 4KV static)

* Support UASP transfer protocol, Support S.M.A.R.T detection function, Support TRIM function, Support auto sleep function

* Compatible Windows, Linux, MacOS X, PS4

* USB 3.0 Speed up to 5Gbps, SATA3.0, transfer rate up to 6Gbps

* Plug & Play, Intelligent Chip, Safe and Reliable

* Led Indicator

* Cable Length: 50cm

* Input: USB 2.0 A Male, Output: USB 2.0 A Female × 4 with USB power port

* Speed up to 480Mbps

* Support up to 10 TB hard drive

* LED Light indicators

* 1M Cable Length

* Full Protection against: over-voltage, over-temperature, over-current and short-circuits

* Note: HUB is useful for data transfer, not for Charging

* Chipset: AX88772A

* Support 10/100 network access      

* Compatible with Nintendo Switch, Win 11/10/8/7/Vista/XP, MacOS X 10.4 and above, Linux kernel 3.x/2.6.x; 

* LED Light indicators for Link and Activity

* Support Full and Half duplex operating modes

* Input: USB Type C male, Output: HDMI male

* Support 4K@30Hz, Support mirror mode and extended mode

* Mirror mode and extended mode both available

* Plug and play, no adapter or driver required

* Support Samsung DEX Mode and Huawei PC Mode

* Compatible with Thunderbolt port

* Adjustable to Fit: 4.7 to 7Inch Screen Devices

* Strong Suction cup holds your phone securely

* Rotatable pivot structure allows multi-angle adjustable Telescopic arm can be adjusted and provides you a Max 240-degree arc

* Extendable Arm

* Material: (PC ABS) + Aluminum alloy

* Lightweight and portable: the camera tripod is only 53.5 cm long and weighs 1.2 kg

* Sturdy and Stable Construction: Made from premium aluminum alloy for durability.

* Angle Adjustable: 360° head rotation and 190° neck rotation for versatile shooting angles.

* Compact and Portable: Max height 175cm, 1.2kg 

* Stable Structure Support Device up to 5KG

* Compatible Devices: ‎4.7-7 inch smartphones, iPhone, Galaxy, Redmi, Huawei, Xiaomi, Cameras (Canon/Canon eos, Nikon, Sony, Olympus, Panasonic, DSLR), telescope; projector; webcam

* Adjustable Clip phone Included + Tripod Bag Included 

* Suitable for phone with 4.7"-7.9" screen

* Dual-axis design, and multi-angle adjustment.

* Material: High Quality Aluminum alloy + Silicone

* Silicone Band for Anti Scratch & Anti Slippery

* Foldable & Portable Design

* Durable Structure, Stable & Reliable

* Portrait & Landscape Mode

* Weight: 188g, Dimensions: L120 x W76 x H20.5(mm)

* 3 Outputs: 2 * USB-C + 1 USB-A (Charge 3 Devices simultaneously)

* 20,000 mAh of battery pack power, Charge iphone 15 4.5 times, s23 ultra 3 times, macbook air 1.1 times, DJI Mavic Pro 3.9 times

* 100W Maximum Output, Fast charge can charge macbook 16inch to 50% in 40minutes

* Cable C to C Included

* Airline Approved. Compact design

* Smart Digital Display

* Pass-through Charging (charge the power bank while charging your device)

* Ultra-Fast Re-Charging Time: About 2 hours (with PD 65W charger)

* Multiple Safety Protection such as: Flame Resistant Material, Over charge, Over discharge, Over current, Over power, Over voltage, Over temperature, Short circuit, Electromagnetic field

* Input: DC12-24V, USB-C Output1: 30W Max, USB-C Output2: 100W Max, USB-A Output: 22.5W

* total Output: 130W Max (Can charge a MacBook Pro in less than 2 Hours)

* with light ring display

* Material: fireproof PC outer case

* Full Protection, ensure the safer charging overnight, Over-voltage Protection, Over-temperature Protection, Over-current Protection, Short-circuits Protection

* Compatible with Laptops, MacBooks, Smartphones, Tablets, ipads

* MFi ( Magsafe Officially Apple Certificated ) 

* Input: 5V=3A 9V=3A 12V=2.75A

* total Output Power: 25W Max

* Output for iPhone: 15W  *Output for Apple Watch: 5W

* Output for Air Pods: 5W

* Material: fireproof PC outer case

* Full Protection, ensure the safer charging overnight, Over-voltage Protection, Over-temperature Protection, Over-current Protection, Short-circuits Protection

* Compatible with Smartphones, Tablets, ipads

* Input: 100-240V, USB-C Output, total Output: 20W

* Compatible with: PD3.0 (PD2.0) QC4.0 + (QC4.0/QC3.0/QC2.0) FCP/SCP BC

* Certificate: UL, PSE, FCC, CE

* Material: fireproof PC outer case

* Full Protection, ensure the safer charging overnight, Over-voltage Protection, Over-temperature Protection, Over-current Protection, Short-circuits Protection

* Compatible with Smartphones, Tablets, ipads

* EU Plug

* Input: USB-C Male, Output: USB-A Male

* Function: Charging & Data Sync

* 5V/3A Fast Charging, High Speed Data Transmission 480Mbps

* Premium Material: Aluminum case + Double Nylon Braided Cable

* Lasts up to 15X Longer than Standards Cables

* Intelligent Chip and Safe Charging, Protects Battery from Damage

* Durable & Flexible with Multiple internal shielding Cable

* Support QC3.0/AFC/FCP

* Input: Micro USB Male, Output: USB 2.0 A Female

* Speed up to 480Mbps

* Wire core: tin-plated oxygen free copper

* Multiple internal shielding 

* ABS case + Jacket

* Cable length: 10cm

* Support MPP protocol 

*USB-C1 Input , Wireless Charging Output: 20W Max , Output for iPhone: 15W, Output for AirPods: 5W, Output for USB-C2: 5W Max

* Total Output Power: 25W Max, Qi2 Certification

* Superior Magnetic Hold

* Frequency Band: 360kHz/110kHz-205kHz (For EU/UK)

* H-field Strength: -0.74 dBμA/m(@10m)

* With Charger and 1M CC cable (No AC Adapter)

* Material: fireproof PC outer case, * Full Protection, ensure the safer charging overnight, Over-voltage Protection, Over-temperature Protection, Over-current Protection, Short-circuits Protection

* Input: USB-A Male

* Output: USB-B Male

* Active USB Cable with Signal Booster

* Full USB 2.0 capability, Speed up to 480Mbps

* Plug & Play, easy installation

* TPU + PC + acrylic + aluminum alloy stand 

* The transparent back plate is thin to 1.5mm 

* Horizontal & vertical screen support

* Suitable for the cable within 5mm diameter 

* 3M brand adhesive, strong stickiness

* Silica gel material, anti-pressure resistance

* Built-in chipset assures good signal quality

* Speed up to 5Gbps

* Soft PVC Resistant to Bending, Flexible & durable

* Multiple Shielding Cable with Robust Connection

* Signal Booster Fast & Quality Data Transfer

* USB Power Port

* Universal Compatibility (Camera, Printer, Computer, Laptop…)

* 1M Cable Length

* Support 1080P 60Hz 

* for Laptop PC to Monitor Projector Two Display Screen

* NOT Support Extended Mode

* 4-Pole Hi-Fi Stereo TRRS Jack Shielded

* Support Mic Function

* Improve 40% Sound Quality

* Connector gold-plated

* Fits all digital Devices with Standard 3.5mm aux Ports

* Enamelled copper wire core

* Bi-Directional Data Transfer

* Full HD 1080P@60Hz

* 24K Gold-Plated, Durable Quality & Excellent Flexibility

* Stable & Fast connection

* Data transfer speeds of up to 5Gbps,

* Triple shielding technology prevents electromagnetic interference. It has high stability, high image performance.

* Support 2K@60Hz(2560*1600)

* 28AWG OD8.5MM

* Durable: Lasts up to 15X Longer than Standards Cables

* Multiple shield protection

* Wire Core: Tin-plated copper

* Low Bass and Low Noise

* UV characters, wear-resistant and do not fade

* Durable Structure key life up to 10 million times

* Smart Led Indicator, Key indicator: NUM, CAP, SCR

* Key Number: 104-Key + FN shortcut key, Comfortable keypad

 * Power Saving Technology up to 1 year per battery 

* Compatible system: Windows/macOS/Linux/Chrome /Android..

* Material: aluminum alloy + zinc alloy + silica gel

* Sturdy base and aluminum triangle structure

* Anti- Slip Pad: Silicone mat at the bottom ensures you a stable grip on the glossy surface without scratching and slippery

* Size: L98*Q98*H287.2 (mm)

* Input: USB C 3.1 GEN 2 Female, Output: M.2 M-KEY/M+B Key (NVME;PCIE 3.0 stand)

* USB-C 3.1 GEN2 speed up to 10Gbps, compatible with USB 3.0&2.0 & 1.1

* Support four sizes(2230/2242/2260/2280) of M.2 (NVME) M-KEY solid state drives

* Support Up to 2TB, Support UASP transfer protocol, S.M.A.R.T detection function, Support TRIM function

* Advanced RTL9210 chip with Short-Circuit protection, Built-in ESD protection circuit, Resistant to 4KV static, ensure safety for your SSD and valuable data,

* tool-free installation 

2 Cables Included:

- USB C3.1 GEN2 cable to USB C 3.1 GEN2 Length: 50cm

- USB C3.1 GEN2 cable to USB A Length: 50cm 

* Compatible with Windows, MacOS, Linux, Chrome OS, PS4, PS3, Xbox, router, OTG Phones

* Aluminum Case Better for heat dissipation 

* Product Size:L119xW37xH12/mm)

* Only for 2.5 Inch HDD and SSD, without Power Adapter, Up to 10TB 

* USB 3.0 Speed up to 5Gbps, SATA3.0, transfer rate up to 6Gbps

* Support UASP transfer protocol, Support S.M.A.R.T detection function, Support TRIM function, Support auto sleep function

* Plug & Play, Intelligent Chip, Safe and Reliable

* Led Indicator

* Cable Length 50cm

Connect 5 Devices Simultaneously 

More Stable, Faster, Higher Sound Quality

High-Fidelity Audio

Farther Coverage, Compact Design, Support Win 7 8 10 11

Not Compatible with MACOS or Linux

* Input: USB 3.0 A Male, Output: USB 3.0 A Female × 4 with USB power port

* Speed up to 5Gbps

* Stable & Reliable

* LED Light indicators

* Plug & play

* 1M Cable Length

* Full Protection against: over-voltage, over-temperature, over-current and short-circuits

* Note: HUB is useful for data transfer, not for Charging

* Chipset: AX88179

* 10/100/1000Mbps RJ45 Gigabit Ethernet Port

* LED Light indicators / Length:10CM / ABS case

* SupPorts suspend mode and remote wakeup via link-up, magic packet, or external pin, USB-Powered

* Compatible with Nintendo Switch, Windows, Linux, MacOS

* Input: USB Type C male, Output: Display Port male

* Support 4K*2K@60Hz, Support mirror mode and extended mode

Plug and play, no adapter or driver required for windows / MacOS Operation systems

* Support mirror mode and extended mode

* Premium Quality, Durable & Flexible

* Adjustable to Fit: 4.7 to 12.9 Inch Screen Devices

* Rotational for Perfect View Angle 360, Horizontal & vertical adjustment

* Holes for Charging Headphones

* Stable and anti Dropping 

* Silicone Protective Material

* Easy Installation

* Two holders, one for phone (Up to 7.2 inch) and one for tablet ipad pro (up to 12.9 inch)

* Compact and Portable: Max height 170cm, Lightweight at 643g

* Angle Adjustable: 360° head rotation and 180° neck rotation for versatile shooting angles.

* Sturdy and Stable Construction: Made from premium aluminum alloy for durability.

* Load bearing 20Kg, the bottom hook is designed to hang heavy objects when used outdoors, which increases stability and wind resistance

* Suitable for phone with 4.0"-12.9" screen

* Dual-axis design, and multi-angle adjustment.

* Material: High Quality Aluminum alloy + Silicone

* Silicone Band for Anti Scratch & Anti Slippery

* Foldable & Portable Design

* 1000 Gram Bearing Weight

* 2000 Times Shaft Rotation tests

* Portrait & Landscape Mode

* Durable Structure, Stable & Reliable

* Dimensions: L135 x W130.8 x H181(mm)   

* 3 Outputs: 2 * USB-C + 1 USB-A (Charge 3 Devices simultaneously)

* 25000 mAh of battery pack power, Charge macbook Pro 14inch 1.3 times ; Galaxy s23 3 times ; Nintendo switch 4.3 times ; iphone 14 5.6 times

* 100W Maximum Output, ultra Fast charge can Charge macbook air 13.6 to 100% in 90minutes

* Cable C to C Included

* Airline Approved. Compact design

* Pass-through Charging ( charge the power bank while charging your device)

* Ultra Fast Re-Charging Time: About 2 hours (with PD 65W charger)

* Multiple Safety Protection such as: Flame Resistant Material, Over charge, Over discharge, Over current, Over power, Over voltage, Over temperature, Short circuit, Electromagnetic field

* HiFi Stereo Sound, HD Call Experience, 10mm Dynamic Driver

* Dynamic Audio with Noise Isolation

* Microphone & In-line Control

* Comfortable to Wear, ergonomic wired earbuds

* Durable Design made from High Quality Material

* Cable length: 1.2m

* 3 Months Warranty

* Input: DC 12-24V, total Output: 18W, USB-C Output 1, USB-A Output 2, USB-A Output 3 (for USB Disk), TF Card Slot Output 4

* Supported USB flash drive/TF card capacity: 128GB), Support PD3.0/QC3.0/FCP/AFC/BC1.2 

* Bluetooth 5.0, Hands-Free Calls, MFB Button( Volume+-Call), Transmitting Distance: ＜5M 

* FM TX Frequence Range: 87.5-108MHz(100KHz stepping)

* Aluminum alloy +PC+ABS

* Material: fireproof PC outer case

* Full Protection, ensure the safer charging overnight, Over-voltage Protection, Over-temperature Protection, Over-current Protection, Short-circuits Protection

* Compatible with Smartphones, Tablets, ipads

* 4-in-1 Fast Charge Socket Adapter: USB C socket collects 1 x AC outlet, 2 x USB-A Ports and 1 x fast charge USB-C port

* Gan Tech & Safety Protection

* Ac Outlet: 3680W MAX, 16.0A MAX, 250.0V~ 

* Very Fast Charging can charge iphone 14 pro to 60% in 30 minutes only 

* Power Delivery 3.0/2.0, PPS, QC4+/3.0, AFC, SCP, FCP, BC1.2, Apple 2.4A

* Material: fireproof PC outer case

* Full Protection, ensure the safer charging overnight, Over-voltage Protection, Over-temperature Protection, Over-current Protection, Short-circuits Protection

* Compatible with Smartphones, Tablets, ipads

* EU Plug

* Input: Lightning Male, Output: USB-C Male

* Function: Charging & Data Sync

* Up to 60W Fast Charging 3A. High Speed Data Transmission 480Mbps

* High Quality ABS case & PVC jacket, Lasts up to 15X Longer than Standards Cables

* Intelligent Chip and Safe Charging, Protects Battery From Damage

* Multiple internal shielding Cable

* Suitable for iPhone, iPad & iPod - MFI certified, with built-in chipset verified by Apple company, Each Cable Contains a unique, verified serial number and an authorization chip issued by apple, Ensure full compatibility with all lightning iOs devices

* Function: Charging & Data Sync

* 5V/3A Fast Charging, 480Mbps High Speed Data Sync

* Premium Material: Aluminum case + Nylon Braided Cable

* Intelligent Chip and Safe Charging, Protects Battery From Damage

* Durable & Flexible with Multiple internal shielding Cable

* Support QC3.0/AFC/FCP

* Improve 40% Sound Quality   

* Nondestructive sound quality

* Copper alloy 

* Excellent Sound and High Quality: Made of solid brass copper, gold-plating connectors resists corrosion and ensures minimal signal loss, with a much longer service life compared with those plastic connectors with metal painting.

* Bracket and magnetic function 2 in 1

* Magsafe Charging, Built-in 12pcs N52 magnets 

* TPU + PC + acrylic + aluminum alloy stand

* Built-in airbags at four corners to cushion impacts

* Frosted semi transparent back plate to resist fingerprint

* The transparent back plate is thin to 2.6mm

* Diameter: 20mm - 78.5mm

* Length can be cut

* Easy-to-use way of placing the cable in the cover

* Environmentally friendly PE material

* Flexible cable cover, designed to organize cables connected to various types of equipment, computers, TV sets, Hi-Fi systems or others

* Female to Female RJ45 Ethernet coupling helps you connect to 2 network cables to extend existing cable length and not affect network speed

* No Signal Loss, Good Shielding Performance, Superior Construction

* Compatible with Cat5, Cat5e, Cat6, Cat7, Cat8 cables 

* Environmental ABS case, * Interface: Metal shield protection structure

* Designed for 1000Mbps Lan Cable 

* Input: USB-C 3.1 GEN1 Male, Output: Micro USB 3.0 Female 

* Function: Charging & Data Sync, Speed up to 5Gbps, 5V3A Fast charge 

* Support 4 TB hard drive

* Multiple Interior Shielding

* Environmentally friendly

* Input: VGA portx2;USB 2.0 B Female portx2

* Output: VGA portx1;USB 2.0 A Female portx2

* Control two computers using a single USB keyboard, USB mouse and monitor

* Select button for easy switching

* Maximum resolution up to 1920*1440

* Plug and Play--no drivers required, * Dimension: L136mm x W68mm x H24mm

* 2pcs USB B to USB A male cable(5ft) are included

* Input:HDMI Male, Output:DVI(24+5) Female

* Interconvertibility ; Bi-Directional

* Resolution: 1920*1080 @60Hz

* Connector gold-plated

* Dual Mode Wireless 2.4GHz + Bluetooth, Connect up to 4 Devices at the Same Time. Smart Chip for Stable Connection

* USB-C Rechargeable Built-in Battery capacity: 400mAh 3 months lasting

* Same typing feeling as MacBook

* Premium Iron Metal Material, Thin & Reliable 

* Scissor Mechanism ; 99% silent click 

* Transmission distance: up to 10m

* Number of keys: 99 keys, FN shortcut key/Convenient Media Hotkeys 

* Durable Structure key life up to 10 million times.

* USB-C Rechargeable Built-in Battery capacity: 400mAh 3 months lasting

* Keycaps for both macOS and windows system

* Input: USB C 3.1 GEN 2 Female, Output: M.2 M-KEY (NVME;PCIE 3.0 stand)

* USB-C 3.1 GEN2 speed up to 10Gbps, compatible with USB 3.0&2.0 & 1.1

* Support four sizes(2230/2242/2260/2280) of M.2 (NVME) M-KEY or M.2 SATA solid state drives

* Support Up to 2TB, Support UASP transfer protocol, S.M.A.R.T detection function, Support TRIM function

* Advanced RTL9210 chip with Short-Circuit protection, Built-in ESD protection circuit, Resistant to 4KV static, ensure safety for your SSD and valuable data,

* Supported Drive Type: Supported Drive Type M.2 M-Key/ M.2 B&M-Key SSD

* Supported Drive Protocol: NVMe/ SATA 

* tool-free installation

2 Cables Included:

- USB C3.1 GEN2 cable to USB C 3.1 GEN2 Length: 50cm

- USB C3.1 GEN2 cable to USB A Length: 50cm 

* Compatible with Windows, MacOS, Linux, Chrome OS, PS4, PS3, Xbox, router, OTG Phones

* Aluminum Case Better for heat dissipation

* Compatible with 2.5''/3.5'' HDD, SSD (up to 12TB)

* USB 3.0 Speed up to 5Gbps, SATA3.0, transfer rate up to 6Gbps

* No extra power required for 2.5" HDD/SDD.

* for 3.5" HDD/SDD, Please connect the 12V/2A power adapter (Included in the package) for stable transmission.

* Support UASP transfer protocol, Support S.M.A.R.T detection function, Support TRIM function, Support auto sleep function

* Plug & Play, Intelligent Chip, Safe and Reliable

* Led Indicator

* Cable Length 50cm

* Compatible for Windows, MacOS x, PS4, etc ...

* Transform your home or car audio system to Bluetooth wireless

* High-Fidelity Stereo, Reliable & Solid + Led Indicator

* Hands-Free Calls Compatible with Car Speaker and Home Audio

* Stable Connection: with Bluetooth 5.0 technology, Bluetooth Range 10M

Operation Guide

1. Connect the Audio port with a 3.5 mm AUX plug.

2. Connect the power port with a USB plug.

3. Turn on the Bluetooth in your cell phone, then click to pair, which allows you to enjoy your music wirelessly

* Input: USB -C female, Output: USB 3.0 A Female × 7 (4 Fast Charging Ports)

* DC 12V/2A Power Adapter Included 

* Speed up to 5Gbps

* Individual on/off Switch Blue Led Shows Working Status

* Cable Type-C to USB 3.0 Included

* 1M Cable Length

* Aluminum alloy Shell, Stable & Reliable

* Compact Design, Plug & play

* Full Protection against: over-voltage, over-temperature, over-current and short-circuits

* Input: USB-C male

* Output: 1*VGA,1*HDMI

* HDMI support 1.4b Version, 3D, 4K*2K/30HZ

* VGA: 1920*1200/60HZ

* Compatible with: Cell Phones / Tablets MacBook's / iPads / Laptops / Desktops

* Suitable for: 4 to 7.2 inch Mobiles

* Flexible and durable long arm length: 90CM

* Material: Aluminum alloy + ABS + Rubber

* Anti-Scratch with Soft Silicone Pads

* 360° rotation of the head

* 300 Gram Bearing Weight

* Portrait & Landscape Mode

* Base can be clipped range: 0-80MM

* Warm Tip: The scale range of the clip: 128mm-190mm

* 3 Outputs: 2 * USB-C + 1 USB-A (Charge 3 Devices simultaneously)

* 25000 mAh of battery pack power, Charge Iphone 15 5.2 times, macbook pro 14 inch 0.94 times, s24ultra 3.6 times

* 200W Maximum Output, ultra Fast charge can Charge macbook pro 16inch from to 56% in 30 min, charge iphone 15 pro max to 50% in 27 min

* Cable C to C Included

* TFT Smart Digital Display

* Airline Approved. Compact design 609gram

* Ultra-Fast Re-Charging Time: About 2.5 hours (with PD 65W charger)

* Multiple Safety Protection such as: Flame Resistant Material, Over charge, Over discharge

* HiFi Stereo Sound, HD Call Experience, 10mm Dynamic Driver

* Dynamic Audio with Noise Isolation

* Microphone & In-line Control

* Comfortable to Wear, ergonomic wired earbuds

* Durable Design made from High Quality Material

* Cable length: 1.2m

* 3 Months Warranty

* Input: 100-240V, total Output: 38W, Output 1: USB-C 5V/3A, Output 2: USB-A: 5V/3A

* Compatible with: PD3.0 PD2.0 QC3.0 + (QC4.0/QC3.0/QC2.0)

* Certificate: UL, PSE, FCC, CE

* Material: fireproof PC outer case

* Full Protection, ensure the safer charging overnight, Over-voltage Protection, Over-temperature Protection, Over-current Protection, Short-circuits Protection

* Compatible with Laptops, MacBooks, Smartphones, Tablets, ipads

* EU Plug