Description Portable, ideal for travel High efficiency and low energy consumption Compatible with most USB powered device, cellphone smartphone, PDA, MP3, MP4, Tablet PC, Etc. Small size, easy to carry. 4 USB power ports charge up to 4 mobile devices simultaneously through just one wall socket Input: AC 100-240V, 50/60Hz Output: 5V, 4A Packet Include : 1 x 4 USB Power Adapter 1 x EU Plug Cable What's in the box 1 x Travel Power Adapter