30000mAh high capacity mobile charger external battery power bank Dual USB Ports, you can charge phones, pads or other small electronic devices simultaneously LCD display screen, intelligent display subtitles, battery capacity can be accurate to one percent - Intelligent circuit connection charge, connected devices automatically recharge, power automatic shutdown, efficient fast charging - The battery has passed the MSDS ( Material Safety Data Sheet ) -Built-in Wireless Charger Function,Can charger Phone Which have wireless Charging Function