In The Box: atolla 204U3 HUB (4.29x1.73x0.9in + 1.97ft USB cable), 15W(5V/3A) Power Adapter(2.95*1.57*2.2in + 3.7ft power cord), 3.3ft Extra USB extension cable. Compatibility: Compatible with most Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X (10.x or above), Linux. Fully plug and play, no drivers required and supports hot swapping. Industry Level Protection: Solid construction, built-in surge protection and over-current protection along with industrial-grade 5mm hardened cable endure years of use. Sleek yet Functional Design: Sleek piano black glossy UV clear coat finish designed with 4 USB 3.0 ports capable of SuperSpeed data transfer along with smart charging, while the fifth port, high power charging port, is ideal for your iPad / tablet. Individual LED status indicators and on/off switches for each USB port provides convenient control.Extra USB extension cables meet multiple user needs. SuperSpeed Data Transfer: This hub supports USB 3.0 transfer rates up to 5Gbps (500MBps) to allow data to move quickly between devices, ideal for high-throughput devices such as USB hard drives, flash drives, and USB video adapters.