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This product is the auxiliary product for iPhone 4 device, which can project the videos and images downloaded and shot by iPhone 4 device on the screen. And there is audio output. This product is charged through external power source or PC through USB interfaces. If the iPhone 4 device is loaded in this product, it will turn to charge the telephone after the battery of this product is filled. This product can provide power and charge independently for iPhone 4 device. It will cut the charging when the battery is low.
2012 new mini projector for iphone4/4s