Romoss 13000mAh Rechargeable Portable Charger Emergency Universal USB external extended backup battery pack power bank and Micro USB cable for cell phone,smartphone,5V USB devices Strong Compatibility: IR-charge Tech makes strong compatiblity, it is compatible with most cell phones. High Capacity: Grade A Cell Used to assure you a highest quality and reliability. 10400mAh, 500+ recharge cycles over the life of the battery.It will never let your phones run out of Juice when you outside. Humanized Function: Work as flashlight for 250+ hours. Double press the power button to turn it on/off. With 4 LEDs to indicate charge levels, enter power saving mode after 3 minutes. Ergonomic and Delicate Design: The R9 fillet and slim feature ensures a more comfortable grip. Portable and light design makes it more convenient to carry in your pocket or purse. Charging while Discharging: Special design allows charges the device while being charged, it saves your time.For good performance, please pair using your original USB cable to charge the device. For charging the battery, please connect the micro usb cable with battery to PC or DC 5V USB charger. DC USB charger is not included.