USB 3.1 Type C USB-C Multiple 4 Port Hub Adapter For PC Laptop Tablet Macbook Support Windows 8 MacOS 1. Multiple USB 3.1 interface support plug and play. hot swap、 easy to use and carry. 2. Support over current and unstant current protection. 3. Support USB 2.0 super speed transmission. 4. Driver free、 support windows XP、 windows 7、 8 and Mac OS、Linux. 5. independent supply provides power supply to connect devices. 6. Type C connector is the new design for USB 3.1 & Macbook & Laptop Dimensions: 3.94 in x 0.39 in x 0.39 in (10.0 cm x 1.0 cm x 1.0 cm) Weight: 1.45 oz (41 g)