Easily add 3 USB3.0 ports to your PCs, laptops and tablets, support most USB devices such as card reader, flash drive, hard drive and etc; compact palm-sized grip and lightweight, easy for carrying on when travelling or mobile working.

Built in with a VL812 USB3.0 controller which provides an easy and reliable connection with a transfer speed of up to 5 Gbps, 10 times faster than USB2.0, setting aside less time for syncing and device switching, and more time for work.

Featured with two card slots recognizing SD and micro SD card, you can enjoy the power to read and write on two cards simultaneously, and avoid constantly plugging in and out; do not need card readers anymore.

With its OTG cable, you can transfer your data from the cell phone or tablet to your USB devices directly, it enables to connect keyboard, mouse, U-disk and card reader to the phone or pad which is the host; make your smartphone even smarter.

Support plug and play, hot swapping, no any driver is needed; you can enjoy data transmission plugging/unplugging directly without any tools; support USB devices including: USB flash drive, digital camera, hard drive, card reader, Mp3, Mp4, webcam, keyboard, mouse, printer, monitor, tablet, cell phone and etc. compatible with Windows 8 / 7 / 10 / Vista / XP, Mac OS, Linux.