TOP TECH PROMO BLUETOOTH Slim card size at 86mm55mm4mm3.382.160.16 Hands-free calls Bluetooth Premium promo Includes a mini USB charging cable and Lanyard Standard packaging box Specifications Requency Range 20Hz-20KHz Driver Unit 40mm, 4, 3W Battery 300mAh Playing time up to 1 hr at max volume Charging time Up to 1.5 hrs Dimensions 86mm55mm4mm3.382.160.16 Net Weight 26g0.91oz Gross Weight 45g1.57oz (with manual, packing box and charging cable) Packaging QTY 200pcscarton Weight 11KGcarton, 24.26lbs carton Packaging size 504515CM 19.69x17.72x5.91