PANJANG KABEL 80CM ROBOT H140-80 USB HUB USB2.0 4 PORT simple and pratical appearance , easy to carry it has a USB cable and easy to use . compatible with USB1.1 , UP to 480mbps plug and play , drive- free support COMPATIBILITY. windows 10 or later / windows 8 windows 7 mac os x 10.8 or later / chrome OS UKURAN 66X24X20MM