USB Hub with Back light Photo Frame 1.USB 4-Port Hub: 1.1/2.0 hub 2.When plug USB cable into PC ... 's USB port, USB Hub with Back light Photo Frame1.USB 4-Port Hub: 1. ... 1/2.0 hub2.When plug USB cable into PC's USB port, LCD screen will be lit up to ... such as U-disk, SD card, USB mouse\keyboard,MP3,MP4,digital camera,etc. USB mouse\keyboard,MP3,MP4,digital camera, ...