... -intelligent control -Voltage constant circuit protection -Mini flat shape with big power 5200mAh/3.7V MOBILE power bank for cell phone, psp, MP3/4 ... , GPS, digital camera, ipod, iphone4/3G/3GS, Ipad ... psp, MP3/4, GPS, Blue tooth, digital camera, ipod, iphone4/3G/3GS, Ipad. product specification: 100*43*25mm capacity:5200mAh/3 ...