Specifications:
Bluetooth Version :QCC3003 V5.0
Bluetooth Profile: AVRCP/A2DP/HSP/HFP
Product size:about 142mmx55mm/5.59x2.17in.
Effective Range: about 20m/66ft
Battery Cpacity: 170mAh
Charging Time: 2 hours
Play Time: Up to 5-7 hours
Standby Time: Up to 20 days
IP56 waterproof
Frequency Range: 20Hz-20KHz
Receiving Sensitivity: 88dBm
Impedance: 8Ω
Product Weight: about 0.035kg