Dear: High Quality?wish you like it! Input: AC 110-240 V 50/60 HzOutput: DC 4.2V DC 600 mA maxBuild-in USB Port for MP3、 MP4、 mobile phone or other device using USB port.USB Output : DC 5V 800 mA Max ( NOT for iphone/ipod)LED charging light indicator when in charing.Multi-layer circuit protectionAdjustable pins for universal battery chargeCharges almost any Li-Ion batteries rated up to 2000 mAh >>Note: Battery charging and USB power supply can not be used at the same time Better >>Package includes1X Battery charger US plug with Box