1.USB 4-Port Hub
2.When plug USB cable into PC's USB port, LCD background will be lit up
3.Clock with alarm and hour chime functions, powered by 1pc AG13 button cell(included)
4.Support window98/2000/XP/Vista
5.Wide used for USB products,such as U-disk, SD card, USB mousekeyboard,MP3,MP4,digital camera,etc.
6.Material: ABS