specification:- Item type: Universal Qi wireless external battery Entry / exit: USB1: 5V / 2A USB2: 5V / 1A-2A Wireless charging: 5V / 1A Material: high quality plastic + ABS Size: 99 * 63 * 15mm Battery capacity: 5000mAh Rated output capacity: 325 0 MAh Wireless charging output capacity: 2750 MAh