BC Master 4 Port USB 3.0 Hub allow you to attach more USB peripherals to your computer instantly and simultaneously, easily expand and accelerate your data transfer Compact & Portable With the palm-size and lightweight design, this hub retains high-speed access to all of your devices but doesnt overload your pocket or bag, so you can take a mobile USB work station anywhere you go. SuperSpeed No drivers required, the hub gives you access to immediate, With the SuperSpeed USB 3.0, you can now transfer data at up to 10 times the speeds of the older USB 2.0/1.1 standards! Thats fast enough to transfer a full HD movie in just seconds! Delicate & Durable Design With its premium Industrial-grade plastic material and compact design, durable to scratches with wear-resistant. Full Functionality Small but powerful. The hub supports hot swapping, plug and play. A built-in surge protector will keep your devices safe, while complete backwards compatibility with all generations of USB will ensure that all of your existing USB devices work seamlessly. System Requirements: Windows XP / Vista / 7 / 8/ 10, Mac OS 9.1 and above, Linux 3.0 and above. Remarks: This hub is not a stand-alone charger. Due to its combined current of 5V 900mA, please do not connect it to high power-consuming devices or high-output devices. It is also not compatible with iPads or any other devices which have irregular charging requirements.