4 USB3.0 ports, which meet your requirements for more devices and protect precious original port USB3.0 transfers data up to 5 Gbps, 10 times faster than USB2.0, setting aside more time to do what else you want, stronger power supply ensuring efficient and stable transmission With high gloss mirror finish is built in soft blue LED power indicator to show operating status, which perfectly matches your Mac, Ultrabook, Surface and large-size cellphone Small size, easy to carry Compatible with Windows or Linux or Mac OS and etc, no driver needed, plug and play Specifications: Material: ABS Port: 4 SuperSpeed USB3.0 Ports Controller: Via-Labs VL812 Data Cable: 0.3M USB3.0 cord Driver: Driver not required Supported System: Windows XP, Vista, 7, 8, 8.1, 10, Mac OS and Linux Dimension: 105 x 38 x 24.5mm Product Approval: CE, FCC, RoHS