Specifications:
Model Number: BH128
Bluetooth: V5.0
Bluetooth Profile: A2DP, HFP, HSP, AVRCP, GAVDP, AVDTP
Operation range: Up to 20 meters (no obstacle)
Frequency Range: 20-20KHz
Receiving Sensitivity: 84±3dB
Impedance: 10 Ω±15%
Mic: -36dB, anti-interference microphones
Battery Capacity: 120mAh
Music Playing Time: up to 4.5 hours (depends on music volume)
Standby Time: 15 days
Charging Time: about 1.5 hours
