... Easy use Small size, good sound quality Specification: Dimensions: 165 x 70 x 36mm Weight: 360g (without batteries) Display: power display LED ... x 1, status display LED x 1 PC interface: USB 2.0 high speed ... to 8 hours of continuous music playback Carton dimensions: 213 x 145 x 45mm (50pcs/carton)Container: 17,370pcs/20ft 37,320pcs ...