Extension 4 Ports USB 3.0 HubExpand one USB port to four. Reverse Compatible USB 2.0 / USB 1.0.High Data transfer USB 3.0 HubSupport Transfer Speed up to 5Gbps (USB 3.0), USB 2.0 up to 480Mbps. let you transfer an HD movie in few seconds.Individual On/Off Switches4 ports Mini USB 3.0 hub has individual power switches for each port, being able to turn On/Off the USB port without unplugging the equipmentand you can understand the working Status for each port by those LED Indicators.Mini Super Small USB 3.0 HubThis compact USB hub is small enough for work and travel. Size:10.5cm*4.5cm*1.5cm(4.13in*1.77in*0.59in), weight:44g(1.55oz).Portable 4 Ports USB 3.0 HUBPlug & Play, no Installation; and Hot Swappable. What you get: 1*mini USB 3.0 Hub, 1*User Manual