FirstSing FS21120 Backup Battery/Leather Case Cover for iPhone 3G
* Its size fits APPLE i-PHONE 3G PDA phone.
* Built-in cells of famous brands. Extra long stand-by time.
* High Capacity & Low Impedance. No-Memory Effect.
* Fast charging with overcharging protection. LED power indicator. Automatic Shut-off.
* Capacity of external battery: 1800mAh .Input: DC 5V / 1000MA
* Mini-USB charging port (Not for data transfer/sync)
* HIDDEN MAGNET inside the cover - close the leather case & protect the phone easily.  Keep a beautiful look.
* Protecting your mobile phone from scratches and dirt by daily use.
* Made in high-quality Leather material.