Version: Bluetooth V2.1+EDR
Receive distance: 15m 
Bluetooth stereo audio profile＆#58 A2DP
Frequency: 2.4GHz
Power supply:mini USB
Audio adapter: 3.5mm stereophonic
Color: Black  
Material: ABS(Rubber painted surface)
Product size: 5.8 *3.9 * 1.4cm 
Product weight:18g