3-in-1 External Battery with DUAL SIM Function for iPhone 3G / 3Gs

Highlights:
This is a very innovative design, it gives your a DUAL SIM for your iPhone 3G / iPhone 3Gs as well as a battery with an internal USB Cable with controller for Pure Charging or Charge + HotSync for your iPhone 3G / iPhone 3Gs.

With this External battery, you are no longer to hassle with your network problems when you are travelling from one country to another country.

Features:
- One iPhone (3G / 3G s) with 2 SIM Cards (see note below)
- No need to cut your SIM CARD
- STK Menu (see installations below)
- Portable power pack (Enough Power to hold your iPhone for days while you are travelling)
- Access to all ports of your iPhone 3G / 3Gs
- As a protective case to your iPhone 3G / 3Gs (made with same material used in iPhone 3G)
- Perfect integration, almost no seams, no longer bulky
- To Sync with your PC / Mac even when the battery is on
- No need to take off the battery even you need to Sync your iPhone 3G / 3Gs
- To control when to have Data HotSync and when to charge
- USB Cable for charging (hidden USB Cable for your data connection and charging anytime,anywhere, and always with you)
- LED Power Indicator

Specifications:
- Input Voltage: DC 5V, 500mA
- Output Voltage DC5V
- Output Current 700mA
- Battery Voltage / Capacity 3.7V / 1900mAh
- Product Size: 128x66x20mm approximately

This accessory is compatible with:
- iPhone 3G
- iPhone 3GS

Installation:
See pictures above plus
- Home ==> settings ==> Phone ==> SIM Applications: select your desire SIM card
(If you don't want it to select SIM card for you when the signal is low, please don't select "auto/SW)

Note once you've chosen to another sim card, it will have a message "No SIM Card installed", please wait 1 or 2 minutes, it needs aound 1 ~ 2 minutes to search, during this time, "No SIM" will appear in the top right of your iphone's screen.

Package Contents:
- 3-in-1 External Battery with DUAL SIM Function for iPhone 3G / 3Gs (as showing in the last picture above) x 1

Packaging:
- Box

Note:
- When the battery is with the case, the LED will be always on (blue). When the battery is being charging, it will be in Red.
- For sync with PC / charge with PC / Mac, please turn the Charge Button to "OFF"
- This devices does NOT support DUAL STANDBY Mode but you can switch between them.
- Due to complexiety of network compatibility, we cannot 100% guarantee its compatibility with your network, we can only guarantee the compatiblity of the battery part, but if you have probelms of compatibility, we will try our best to help you.
- This battery is more or less same as Another Prodouct that we have, just that it does NOT have DUAL SIM Function.