China FirstSing FS09258 3-in-1 1800mAh Mobile Power Battery Charger Case with Speaker for iPhone 4G 4S 

Description

The product is specially designed for iPhone 4 and iPhone 4S. With built-in 1800mAh capacity battery, it can be used to charge your iPhone 4 and   iPhone 4S anytime and anywhere. High-bass stereo dual-speaker can make the music in your phone played outside more loudly. Besides, it also can act as a protective back case for well protecting your iPhone 4 and iPhone 4. With multifuntion design and easy to carry, it is a wonderful gadget for your choice.

Features
- 100% brand new and high quality 3-in-1 multifunctional 1800mAh external battery charger case with stereo speaker.
- Fully compatible with iPhone 4 and iPhone 4S.
- 3-in-1 multifunctional design:
* With built-in 1800mAh rechargeable battery, it can act as a backup battery for your iPhone 4 and iPhone 4S.
* Its back case is equipped with high-bass stereo speaker to allow the inner music to be played outside with a more perfect sound quality.
* It also can act as a protective back case to effectively protect your iPhone 4 and iPhone 4S from dust, scratch and other damages.
- High performance in charging, your iPhone 4S/iPhone 4S battery to reach 100% capacity only need 80 minutes by using the item for charging. 
- It allows to charge the item and your iPhone 4/iPhone 4S at the same time via the iPhone connector, and the total power can reach up to 3400mAh.
- Fashion design, easy to use, simple to install and remove, and convenient to carry when going out.