Faster and more Stable: This USB HUB has an extra power port to be charged (Note: this port should power for this USB 3.0 HUB). The transfer will be more stable and faster if you use this power port to power for this USB HUB. More Ports: Instantly add 3 USB 3.0 Ports to any compatible devices. Transform a single USB port into a full work station. USB 3.0 ports support up to 5Gbps data transmission speed that is fast enough to transfer large files in seconds. Compatibility: This USB 3.0 HUB works for USB 3.0 port devices and also reverse compatible with USB 2.0 and USB 1.1 devices. Use with PC, MacBook, iMac, Mac mini, XPS, Flash Drives, & any other USB compatible devices. Plug and Play: This USB 3.0 HUB doesn't need additional driver/software to work. If you want to transfer large files, you can also charge for this USB HUB for faster speed. This USB HUB for laptop is designed to be compact and lightweight so that one will find it portable and easy to use. UPGROW Advantage: We are devoted to providing customers with better products and services. This USB 3.0 HUB is protected by 18 months; we will provide a refund or replacement if the fault is with us to ensure your 100% satisfaction with your purchase.