USB3.0 4-port hub allows you to connect up to 4 different gadgets at 5 Gbps to your PC. Instantly add four USB 3.0 Ports to any compatible device and LED indicators display power status for each port. Features: 1. Plug and play, hot-swappable. 2. Over-current detection and protection. 3. USB 3.0 super speed 4-port Hub at 5 Gbps. 4. LED Indicators Display Power Status for Each Port 5. Support Windows XP/Vista/7/8, Mac OS X or Linux. 6. Backwards compatible with USB 2.0 and 1.1 devices. 7. Supporting equipment: mobile hard disk, mouse, keyboard, card reader, U disk, mobile phone charger, etc. Specification: 1. Material: Plastic+Electronic Components 2. Product Size: 6.4x6.4x2cm 3. Line Length: 40cm Note: 1. Size may be a little deviation due to manual measurement. 2. Different displays show the same picture may be slightly different. What's in the box 1 x 4-Port USB3.0 HUB 1 x Cable