Main Features:
1. 100 percent brand new and high quality Lithium Polymer rechargeable battery
2. It is full capacity and can last work more than 15 hours (3.7V， 320mAh)
3. Suitable for cellphones， MP3， MP4 player
4. Built-in protection circuit PCM for prevent over charging or over discharging
5. Light weight， high capacity， and NO memory effect