Aufine 2800mAh Portable External Battery Charger Power Bank Case for HTC One Mini (Black) Designed for htc one mini,make your phone special style; High quality material to protect your your phone, charging and protection 2 in 1 With smart switching and precise display, to extend the life of built-in battery Cell capacity: Polymer Lithium battery, power your phone standby time twice; Creative design,enjoy your phone without removing the phone charger