Tursion High Quality 1600 mAh

Tursion High Quality 1600 mAh External Battery Pack Portable Power Bank Case Charger with FM Transmitter for Apple iPhone 4S 4 - AT&T and Verizon 1.0 out of 5 stars CONSUMER REVIEWS(1) 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. Deal Price: $3799.00

Description 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 enough. 5.With battery capacity indication function in different capacities at 20%, 40% 60% 80% 100%. 6.When the battery voltage is lower than 3V, the battery will powered off automatically. 7.With FM transmit function, with USA professional digital FM transmit chipset inside. The sound effect is as better as FM radio. 8.With 4 FM transmit frequencies: 88.1/88.5/88.9/89.3MHz 9.With FM transmit frequency memory function. 10.With auto power off function in 60 seconds when there is no audio input. 11.With supporting Iphone 4 data Synchronization function. Description: Universal portable power bank Elegant designed, fit for iPhone 4 and 4S * Device Type: External battery Bank with FM Transmitter * Capacity: 1600 mah * Size: 123*60*14.5?mm? * Color:BLACK * Input:5V-0.5~1A; Output:5V-500mA Capacity:1800mAh(Li-Poly) * Standby time : 380 hours * Weight:68g Package Includes: 1x Black iPhone 4 4S Case Charger 1x USB Adaptor Cable This case has a small plug in in the bottom to accept the usb cable...The second time i used it,it broke inside...now its useless...dont waste your money..