In response to the high demand for video calls by the people, the iPhone 4 supports FaceTime is an embedded video calling application can use the front or rear camera via a Wi-Fi to communicate with another iPhone 4, the 4th generation iPod Touch, or any other computer running Mac OS X 10.6 Snow Leopard (Wikipedia). However, the battery of the iPhone 4 will be reduced substantially once FaceTime or other applications are used.
To solve the limitation of the operating time of the iPhone battery 4, EFO Online Store iPhone launches four external power pack. The iPhone 4 external battery is a device that has two slopes and doubling the battery life and also protect the back of the iPhone 4. Another advantage of the iPhone external battery pack 4 is the soft power pack splitting discreetly in the back of the iPhone 4 and add only a few millimeters thick.
The iPhone 4 external battery is completed with some specifications:
- Battery type: Lithium-ion rechargeable
- Weight: 74g
- Product Compatibility: iPhone 4/4G
- Standby time: Up to 390 hours
- Talk time: up to 6.5 hours
- Internet use: Up to 6.5 hours up to 8 hours 4G and Wi-Fi
- Audio playback: up to 31 hours
- Video playback: Up to 9 hours
EFO online store has iPhone 4 external batteries in stock and the price is $ 28.00.
Want to learn more about the iPhone 4 External Battery Pack, please browse EFO online store is a shopping cart online that focuses on providing surprised by the state of the art computer-friendly prices still acceptable. It is specially designed to offer different solutions for different people, anywhere and anytime. Besides the flagship product, EFO wireless handheld keyboard that is as interesting as other devices Emergency Charger for any USB gadget, wireless infrared motion sensor auto LED light, etc. The store has a 30 day 'No More Questions 'return policy and refund the shipping fee, if any gadget that is expected defective. People can buy here without worry and doubt.
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