Metal Appearance, small, light weight and easy to carry around in your bag.
Color: 5 Color to choose NO Retail Box. DC 5V, 600mA(Max) DC 5V, 600mA(Micro USB). Fashion style, simple and fashionable design with colorful shell. Smaller, lighter, portable.
Battery: Suitable for 1x 18650 3.7V Li-ion battery(not included) Strong compatibility for iPod, iPhone, iPad, mobile, MP3, MP4, Gameboy, PDA, GPS, etc.