Bluetooth(up to 10meters) , Line in                                                                                          
Power output: 2.0W ,SNR:95±2dB
Speakers: D36mm  4Ω  2W
Lithium polymer battery: 850mAh
Dimension: D( 58 MM)* H( 83 MM),single weight: 98g
Material: ABS case
Certificate of design patent no: ZL 201130053215.7                                                                                
Available license: CE, FCC, RoHS, BQB, Design patent