... -Mini flat shape with big power 5200mAh/3.7V MOBILE power bank for cell phone, psp, MP3/4, GPS, digital camera, ipod, ... (material plastic case) product description: 1. common cell phone mobile power, charge for your cell phone at any time and anywhere 2.intelligent control ... color client likes,but certain quantity) 5200mAh/3.7V MOBILE power bank for cell phone, psp, MP3/4, GPS, digital camera, ipod, ...