Single side bluetooth headset

Wearing method: in-ear Bluetooth: V5.0 Bluetooth audio decoding: HSP, HFP, A2DP, AVRCP Frequency response range: 100-20KHZ Microphone sensitivity: -42±3db Headphone battery capacity: 85 mAh Impedance: 32Ω±10% Rated power: 2mW Speaker: φ10mm Use time: about 6H Standby time: about 140H Earphone charging current: 80mA Earphone charging time: about 1.5H Earphone charging input: 3.7V Material: ABS plastic material N.W: 8g