1. Automatically identify the positive and negative poles, and support dual output at the same time, the dock charger and direct charger can be used at the same time2. Side-sliding humanized design, the shortest distance is 32mm, and the longest can be stretched to 47mm3. Adopt global voltage design, intelligent battery charging control circuit, prevent overcharging4. Imported IC components, high circuit conversion efficiency and stable performance5. With output over-current and short-circuit protection functions, it is safe and secure to use6. High output voltage output (4.2V) has higher charging efficiency.Product parameters1. Input: 100-240V2. Output:-4.2V 600mah-5.2V 1250mA (USB)Specification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 10cm * 5cm * 2cm / 3.94inch * 1.97inch * 0.79inch Qty per Carton 422 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 422 pcs = 74694 pcs40HQ: 412 cartons * 422 pcs = 173864 pcs