MOTA Extended Battery Protective Case iPhone 4/4s White Base and Pink/Clear Frame Double Battery Life Compatible with Verizon Sprint AT&T T-Mobile MetroPCS Phones - PINK Doubles your phone battery lifetime and charges phone through a MICRO-USB charger (Overcharge Protection) Shell casing provides additional protection from scratches and drops Stylish and skinny frame so you can fit it in any pocket or purse securely Sleek, light, and compact design for comfort and ease of use while mobile Case easily snaps on and fits snugly to your iPhone (Changeable Frames  2 Frames Included)