Hittime Portable Black Color Only Mobile Power Bank USB 18650 Battery Charger Key Chain for Iphone Mp3 Brand new and high quality Strong compatibility for ipod, iphone, ipad, mobile, MP3, MP4, gameboy, PDA, GPS, etc. Fashion style, simple and fashionable design with colorful shell. Smaller, lighter, portable Input: DC5V,1000mA(Micro USB) Output: DC 5V,1000mA(Max) Battery: Suitable for 18650 3.7V Li-ion battery(not included) Size 9.5cm x 2.4cm x 2.2cm - 3.73inch x 0.94inch x 0.86inch Black Color