Support 4 simultaneous expansion, expand 4 USB3.0 ports at the same time, say goodbye to repeated plugging and unplugging. Drive 2 hard drives without power supply, drive 2 2.5-inch 1TB hard drives without power supply. Spare -USB (Android) charging port, support 5V/1A-2.4A charger, can drive 6TB high-capacity hard drive or other high-power devices. The shell is made of ABS material, the surface is frosted, and the hand feels delicate and does not leave . Good heat dissipation, strong and durable. No driver required, just plug and play. Compatible with for WINDOWS series, for OS, for XP series, for LINUX. Type: USB Splitter Connector: USB Interface: USB3.0*4 Transmission rate: 5gbps Product size: 101x30x10MM Colour: black Material: ABS Package Contents: 1 * HUB Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.