1. 4 USB 3.0 Port Hub For New MacBook support plug and play. hot swap, easy to use and carry 2. Support USB 3.0 super speed (5Gbps) transmission, downward compatible USB2.0 3. Driver free, support windows XP, windows 7, 8 and Mac OS,Linux. 4. Support over current and unstant current protection. 5. 4 - USB 3.0 A (9 pin; SuperSpeed) Female 6. 1 - USB 3.1 USB Type-C (24 pin; Gen 1; 5 Gbps) Male
