2600mah Aluminum Tubes Cylindrical Mobile Power for Iphone 4/4s, 3gs/3g, Ipod, Digital Devices, Etc (Red) General categories: iPhone, iPod, Most mobile phones, such as Nokia, Motorola, HTC, Samsung, LG, Blackberry,Sony Ericsson etc. Fashionable, stylish and light-weighted design Convenient to charger your cellphone or other devices when no power Easily carried or packaged when you are out or travel