TAMO Premium Extended Battery Case for iPhone 4/4s with Overcharge Protection, LED Status Lights, Built-In Speakers - Retail Packaging - Green 1450 mAH battery provides protection and additional power for your phone without sacrificing look and feel. Protect yourself from losing productivity in your day to day. Frames snap on securely, protects from high impact drops. 5 Unique Colors Double the life of your iPhone - Our extended battery cases have newer technology that will provide more power for longer. Apps are especially power hungry for iPhone 4s, live worry free with our hi-polymer lithium charging cases Save it for later - 4 LED lights indicate charge status. Power button allows you to toggle charge on or off if you are able to charge now and may not be able to later. Charge up when outlets are convenient and utilize this feature in your daily commute Speakers on the case can also be utilized to boost speakerphone functionality for your drive or at home while youre cooking. Bright colorful selections make sure you never lose your phone, and polycarbonate shell increases shelf life of your iphone 4s MOTA Customer Care - All MOTA products come with our 5-star dedicated personal assistance. Please let us know if you have any issues with shipments or the products right away, we'll take care of you. Follow ups within hours, satisfaction guaranteed