Specifications:
Wireless version: BT V5.3
Supported Protocols: A2DP,AVRCP,HSP,HFP
Transmission Range: 10 meters
Transmission Frequency: 2.4 Hz
Charging voltage: DC 5V
Charging time: about 2-3 Hours
Talk/music time: about 22 hours
Standby Time: more than 50 hours
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