Built-in 250mAh lithium battery
Version: Bluetooth V2.1+EDR
Receive distance: 15m 
Bluetooth stereo audio profile＆#58 A2DP
Frequency: 2.4GHz
Power supply:get charged via Micro-5P USB cable
Audio adapter: 3.5mm stereophonic
Color: Black  
Material: ABS(Rubber painted surface)
Product size: 92x35x25mm