Name : 4 port usb hub Material: ABS material Output interface: USB3.0 Type-A*4 Input interface: Type-A*l, Micro USB Product power supply: USB direct power supply, reserved 5V Mirco B power supply interface Data cable: separate design (HS4U is -piece), A to A, cable length 15cm/lm Super Speed 4-port USB Hub. Work with your laptop , USB3.0 HUB , 5Gbps transmission. Experience OTG Functions for Hub if your devices support OTG function. Compatible with most of system , such as Windows / OS / Linux. Wide application for USB DISK , Camera , Radiator , USB Fan, Card Reader and so on. Package content : 1 x 4 Port USB HUB Note: 1. Please Allow 1-3cm Differs Due To Manual Measurement. 2. Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Please refer to the actual product.Thanks For Your Understanding.