Speaker Drive Unit: 8mm
Speaker Sensitivity: 92dB±3dB
Speaker Impedance: 16Ω±15%
Speaker Frequency Response: 20-20KHz
Earphone Battery: 50mAh
Charging Box Battery: 300mAh
Call Time: 9H
Play Time: 8H
Standby Time: 300H
Charging Time: 1.5H
BT Protocol: HFP/A2DP/HSP/AVRCP
Waterproof: IPX6