Lenovo Wireless Bluetooth Earbuds SE-631TWS
Driver: 5.8mm bio-diaphragm speaker
Input: 5V d.c.0.2A
Audio decoding: SBC
Frequency response range: 20-20kHz (Bluetooth)
Sensitivity: 93dB±3dB
Connection method: USB-C to USB-A charging cable
Support modes: BT 5.0, HSP v1.2, HFP v1.7, A2DP v1.3, AVRCP v1.6 Bluetooth frequency: 2.402-2.480GHz
Bluetooth power: <8.0dBm
Bluetooth range: 10m
Battery Specifications: Rechargeable polymer lithium ion battery (ear buds: 3.7V, 43mAh charging box: 3.7V, 210 mAh) Battery charge: 2 hoursPlay time: 4 hours for earbuds, 10 hours of use for earbuds with the charging case. Waterproof level: IPX5 for the earbuds, charging case is not waterproof.
Product size: 61x25x33mm
Product weight: 4.1g (single ear bud), 36.2g (two ear buds and charging case.)