7 in 1 Aluminum TYPE C Pluger + USB 3.0*3 + TF+SD+ HDMI(4K@30hz) + PD 1.Size: 97.6*45*14mm 2. Weight: 62G 3.USB 3.0 interface supports 5Gbps/s high-speed data transmission standards. 4. HDMI 4k*2k 30hz(3840*2160), downward compatible with 5.USB-C PD : 60W(20V 3A) 6. System Requirements: Macs with OS X v10.8 or higher, PCs with Windows XP, Windows 7 or Windows 8 and an available USB3.1 port. 7. Over-current, over-heating, over-voltage, and short-circuit protection 8. Package: 1* BS-HC701, 1* Package Transfer rate 5Gbps(Max)