Specifications: TheUSB battery charger is sutiable formobile phone such as Nokia,Motorola,Samsung. Input:110-240V Output:5VCharging Current:500-550mA Operation temperature:0°c-40°c Storage temperature:-20°c-60°c CE&RoHS Certificate approved It’s over current over voltage,over load protection It’s protable,light weight ,small size and convenient to carryVarious style plug are available.Packing Information: 1pcs/poly bag 500pcs/carton (it also can be according to customer's requirement)