Cell phone,PSP,MP3,MP4,GPS,Blue tooth,digital products ... 4.high security protection CHARACTERISTICS: 1. High capacityIt is with 3400 mAh and can last your digital products power longer ... and environment-friendly. 4. FashionableHas small size, light and with well figure, and it has LED light for your ... be used at any time. Reminda-B300 power pack is with small volume, light in weight, long service life, ...