3000 mAh Portable USB Power Bank/External Battery for ZTE Axon Pro/Axon Lux/ZMAX/Maven/Grand X Max+/Grand X Max/Blade S6/(Micro USB Charging Cable included)-Blue + Stylus Stylish, tiny and ultra-compact design; Fits easily into any pocket, bag, or purse Support most Cellular phone, Tablet, MP3/ MP4, Game , and Bluetooth headset High capacity 3000 mAh battery offer extra power to your devices Overcharge, discharge, over-current, and short circuit protection Your handheld will never lose power again!