JS-168Belt Verstärker-Lautsprecher

1.Perfect amplifying effects, portable. 2.With good voice, 400 square meters space can hear clear. 3.With lithium battery, easy charge and economic and pro-environment. 4.charge one time,it can continuously work for 10-15 hours. 5.Made of highly strength ABS material, strong and sprawling. 6.Capable as MP3 speaker. 7.Electric Appliance Features:Maximum output power:RMS 12W Frequency Response:100HZ-13KHZ Voltage of Battery:DC 7.5V Type of Battery:Lithium Battery 8.Product Size:8.3*2.5*10.5cm 9.Outer carton packing size:47*32.7*37.8cm 10.Individual weight:300g 11.One carton of 20 sets, one carton weight:12.5kg