... 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 ... 4.Wide used for USB products,such as U-disk, SD card, USB mouse\keyboard,MP3,MP4,digital camera,etc. USB mouse\keyboard,MP3 ... ,MP4,digital camera,etc.5.Material: ABSInner ...