● Power Supply: USB/ Li battery
● Input DC voltage: DC5.0V 
● Bluetooth 2.1+EDR 
● RF range: 10M  
● SNR≥80dB 
● Power: 5W
● Frequency: 80Hz-18KHz
● Impedance: 6ohm
● Distortion Factor: ≤0.5%  ● Rotation adjustment Switch & Volume
Color:Black,White,Silver
● Patent Technology: Vibrating technology