ONCHOICE 7 Ports USB 3.0 Hub Network with On/Off Switch High Super Speed Adapter with Cable for Laptop PC Expand USB connectivity by adding up to seven USB 3.0, 2.0, or 1.1 devices to any USB 2.0 or 3.0 capable computer. Fully plug and play, devices can be hot-plugged, supports USB over-current protection. Compatible with most Windows XP, vista, win7, Mac OS (10.X or above).Compatible models:Any computer/laptop/ultrabook/netbook/chromebook with a USB 3.0 port Supports High-Speed(5G Mbps), Full-speed(480Mbps) and Low-speed(12Mbps) USB device profiles. Transfer rates are device and USB host controller dependent. Backwards compatible with all USB 2.0/1.1 devices and hosts. All 7 ports on one side to minimize cable clutter and maximize accessibility. 7 blue status LEDs, one per USB port. Attention Please: To ensure a stable connection, Do not use this hub with high power consumption devices , This hub is not meant to serve as a stand-alone charger.The hub will sync but not charge tablets and other devices that require a higher power input. If you do really need to connect those devices( e.g. Mouse/ Keyboard/ External HDD) to the hub and sync the data , please use the power plug (not included) for offering them enough power. Note: Please confirm your PC laptop or other device have the usb 3.0 interface.