[Specification]

Support Bluetooth: 3.0class2(A2DP,AVRCP,HFP)

Bluetooth transmission distance:  up to 10 meters

Signal-to-Noise Ratio: >80dB

Frequency Response: 180Hz – 20kHz

Input votage : 3.7V DC

Built-in High capacity lithium battery

Charging votage : 5V+-0.25V

Charging time : About 3 hours

Listening time on battery power: >10 hours

Sound performance : max 12w