... .Factory price Portable USB charger for iphone 3G,3GS,4G,4GS :Specifications:charger for iphone 3G,3GS,4G,4GS 1.Charger your IT products 2.Stable and ... ) automatic according to the battery capacity.5.white carton box or bliter package•USB charger. we have the full range of ... •You can use mobile phones When your device is charging. The battery time can be more than or less than 2.5 hours ...