* Function：With Line-in & Microphone function; Colorful LED light; supply TF card
       * Frequency 150Hz - 18KHZ
       * Bluetooth version: V2.1+EDR
       * Speaker output: 4Ω/3W
        *  Material: ABS
        *  Unit Size: 7*7*7CM
Packing:  each in a polybag+white box
CTN MEAS: 46*37*21CM/60PCS
G.W./N.W.:18.5/17.5(kgs)