* 100% Brand new with high quality
* Compatible with PC, cellphone, MP3/MP4 and all devices with standard 3.5mm audio plugs
* Output power: 3W.
* Frequency response: 30HZ-20KHZ
* Signal-to-Noise Ratio (SNR):More than 80 dB
* Charge : Standard USB point connects to all PC USB ports and AC adaptors
* Power by USB
* A 3.5mm cable audio + USB Cable (included)
* Material: ABS+Zinic alloy
* Unit size: 9.2*9.2*18CM
Packing: Each in a bubble bag+ white box
Meas./CTN: 49.8*30.8*42.5CM/30PCS
G.W./N.W.: 15.3/14.3(kgs)