Ysimda USB 3.0 High Speed Hub (7-port) with 7 Colors Chromatic LED Light Effects Display Alternately and 2.4ft Cable 7-Port USB 3.0 Hub; 3 USB 3.0 Hub (blue)support 5Gbps high speed transfer, 4 USB 2.0 Hub (Red)support 480Mpbs transfer. 7 Colors Chromatic LED Light Effect alternately display and Hub power on/off with Switch control Support big capacity portable hard disk up to 2TB Supprt: Mac OS 9.1 & higher;Windows 98SE /ME /2000 /XP /Vista /7/8; Linux 2.4 or above short circuit protection; overload protection; overheat protection.Extral power supply by Micro USB port to supports power-intense USB devices.