Meantime. Inside of our set have a 2000mah battery. it can also charger for your iphone4/4s.  1.IntroductionThis is a wireless device which enables Apple users wirelessly stream media content from their iPhone4/4s to big TV screen. Extremely portable and convenient to use for entertainment, business, and many other applications. b.b.Meantime. Inside of our set have a 2000mah battery. it can also charger for your iphone4/4s c.         Please check the link for simply introduction2.Parts &Accessories

 .Power  Pack for iTouch/iPhone/iPad

.USB  interface for charging

.Wirelees transmitter and receiver between iphone/itouch/ipad and TV

.5.8G RF avoid many frequency  disturb

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.Easy Set Up1) Plug the receiver and connect to TV and turn on the receiver. 2) insert your iphone4/4s into our transmitter and turn on. 3) Plug the A/V cable into the A/V input ports on TV. Attach the opposite end of the cable into the receiver's A/V OUT port. 4) Turn on your TV, select the appropriate input setting. 5) Now ready to begin streaming Audio/Video content wirelessly to your TV.  3.Steaming a video/movie to TV 1) Make sure the transmitter have power and the receiver is well-connected to TV 2) Select the "Videos" icon on your iphone4/4s, press "play" to begin. 3) The video will be played on your TV screen, and “connected” show on your devices.  4. Steaming photo to TV 1. Select the "Photos" icon. 2. Press "play" to start slideshow and begin viewing. The slideshow will instantly appear on the TV. 3. charger for IPHONE 4/4s 5.additional functions    After IPHONE 4/4s jail broken, it can share exactly what’s on your iPhone4/4s. Not only video, photo, but also web pages, spreadsheets, PowerPoint, lessons, games and more on your mobile phone device.      below link please check it. IPHONE 4/4S jailbreak  6.Applications Charger and Wireless AV Transmitter for iPhone4s/iPhone4 

Wireless AV transmitter for iphone