VISUN&trade; 1900mAh Portable External Power Pack Backup Battery Charger Case with 6.69 inch VISUN Waterproof Bag for iPhone 4 4S At&t and Verizon (Yellow) VISUN Backup Battery Case built-in 1900mAh high capacity rechargeable Li-Ion battery VISUN Backup Battery Case can also work as a protective case, 4 LED power indicator Battery itself charged through USB port or USB charging adapter Includes: 1-VISUN 1900mAh Backup Battery Case; 1-VISUN USB charging cable; 1-VISUN waterproof bag This product is sold exclusively by Crystalcity-6662. Only buy from Authorized dealer to get genuine Crystalcity-6662 products with manufacturer warranty and customer service. Shipping from USA