Features:1. Rotation: 270 degree free rotation, no power supply, plug and play. 2. Practical: Allows simultaneous operation of up to 3 individual devices connected to a single USB port. Provide overload voltage andinstantaneous current protection. Fully comply with USB 3. 0/2. 0/specifications. 3. Strong compatibility: It can connect U disk, card reader, USB mouse, USB keyboard, scanner, digital camera, sound card, hard disk box, etc. 4. High performance: USB 3. 0 (5Gpbs) and USB 2. 0 (480Mpbs) hub distributor, high performance and fast transmission speed. 5. Compatible systems: Fit for Windows XP, fit for Vista 7/8/10, fit for Mac 9. 1 above/10. 0Specifications:Material: ABSColor: Black, WhiteSize: (Approx) (LxWxH) 5. 6x2x3cm/2. 2x0. 7x1. 1inchInterface type: USB3. 0, 2. 0Compatible systems: Fit for Windows XP, fit for Vista 7/8/10, fit for Mac 9. 1 above/10. 0Package Included:1 x USB Hub