Specification:

Bluetooth Version 4.0
Bluetooth HSP,HFP,A2ADP and AVRCP Profiles
Operating Range: Up to 30 feet (10 meters)
Frequency responds range:100Hz~20kHZ
Talk time: 10 hours
Play time: 7 hours
Standby time: 1200 hours
Speaker output power:3W*1

Product Details
BTK-503
BTK-503
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