3000 mAh Portable USB Power Bank/External Battery for HTC One A9/M9/Desire 626s/526/520/626/826/320/620/EYE (Micro USB Charging Cable included)-Black + 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!