... : 5V ,2.1A (Max)Size:112*73*17mmCompatibility:Port 1: Cell phone, Phone, MP3/4,Pod,PSP,all digital devices charged via USB ... really a multi-function battery bank for Pad/Phone, Samsung P1000 and cell phone, MP3, MP4, GPS, PSP all digital devices charged via USB ... the same time.3,Full compatible with the most popular cell phone, smart phone etc.4,Attractive modern design, ABS material.5,Powerful ...