Specification: 1.USB 3.0 Hub Ultra-Slim Data 4 Port USB Splitter 3.0 The thin & lightweight design makes the 4-port USB 3.0 hub a great travel companion to expand your laptops USB 3.0 port into 4, add up to 4 devices. Also backwards compatible with USB 2.0/1.1 products. 2.Wide Compatibility USB 3.0 port USB Splitter applies to USB-A Laptops, like: For Macbook, For Chrome, For Linux OS, For Surface Pro, For PC, For USB Flash Drives, For Mobile, For PS4 and More. 3.Stable and Safe Multi shielding to ensure stable transmission, no interference, and no delay. Over-voltage, over-current protection, ensure the safety of your data and devices. 4.Cable length: Approximate 15cm 5.Size:754010mm 6.Transmission speed: 5Gbps 7.Power is derived from the PC USB port (5V). This maybe insufficient for several high powered devices like phone/tablet charging, external hard drives, keyboards, printers etc. This can only be used with PC USB ports.