●Unique ID design, Smooth Surface,Use high gloss white plastic shell,screen printing color pattern.

●The speaker has four use patterns:AUX,USB,SD,FM,can play the music with USB card or SD&MMC card.

●FM stereo radio function.

●LED display.

●Built-in rechargeable lithium-ion battery, life playing time more than 4 hours.

●No destination volume knob to adjust.

●Multi audio playback mode.

Total power output:RMS 4W×2+15W
Signal to noise ratio:≥85  dBA
Distortion:≤0.5%
Frequency response:80Hz~20KHz
Input sensitivity:1200 mV
Speaker Unit：2inch*2 Speaker Bass Unit：4inch Inputmode:Bluetooth/AUX/USB/SD/TF

Shenzhen Bosking Technology Co.,Ltd

http://www.bosking.com.cn
 E-mail:chessyyao123@gmail.com