Never have your iPhone 4 or 4S run out of battery. This compact backup battery will let you carry the power wherever you go. There's no need to charge your device through an electrical outlet, the Tursion TS-311 IS THE POWER SOURCE! It is a Holder, It is a FM Transmitter, It is more a Smart Emergency Battery Cover! Super thin and light, it is the most thin and light battery cover for iphone 4 and 4S!! 1.With the holder design, it can be a iphone 4 holder for the user to easily watchTV or take photos. 2.With Smart monitoring system inside, it can monitor the Li-poly charging currency, voltage, temperature automatically, when the charging input or output currency is too high, or the Voltage is not stable, it will cut off the charging circuit itself and the LED will be lighted on for showing out the related fault to protect the battery and mobile. 3.With smart power charging management, monitoring circuit and timing function. 4.With automatically power off function when the mobile is charged…
Product Features
- Simply charge this iPhone Case Charger from your PC using the provided USB Cable until it is full; then simply charge your device whenever you need power.
- Rechargeable Lithium-Ion 1600mah battery pack increases energy efficiency.
- Great for traveling and long flight for your iPhone 4 and 4S. Built in FM Transmitter to broadcasto to radio devices
- Compact size allow easily carry in bags, pant pockets, or shirt pocket
- 4 LED battery meter displays remaining power level.
