Get this UL certified aluminum universal international mobile phone battery charger for mobile phones and other small electronic devices such as GPS and Mp3 players right away! It includes an on/off button and features LED indicator light that turns blue when turned on, red when charging and blue when fully charged. Individual phone attachments are not included, and only the charging cable is provided. Charge time differs by device. Power supply/technology: INPUT: 5.0V/550mA; OUTPUT: 5.0V/800mA. Rechargeable Lithium ion battery. Capacity is 2200 mAh. Instructions included. Both the power bank itself and device battery are UL certified.