Description: usb hub type c, two interfaces on one USB hub, no matter your computer is for macbook, surface, a computer with traditional USB3.0 interface, or you have all of the above computers, dual-port Thunderbolt 3 USB HUB can Use for purpose. USB HUB FOR LAPTOP,The all-aluminum alloy casing not only considers that this device may be carried with you, which requires a more rugged body, but also considers the aluminum alloy casing as a heat dissipation module and electromagnetic shielding module to ensure the stability and durability of high-speed data transmission USB HUB FOR PC,The weight is only 120 grams, the body width is 1.49 inches, the length is 3.7 inches, and the thickness is only 0.47 inches. When you put it in the backpack, you can'for t even feel the existence it brings. However, it is such a mini size that still maintains a high speed of 5Gbps. 4 PORT USB C HUB,High-speed Transmission: for USB 3.0, USB 2.0 and USB 1.1, and the transfer speeds up(practical value not theoretical value) to 129MB/S (USB 3.0), 20MB/S (USB 2.0), 900KB/S (USB 1.1). Automatic adaptation, no need to install drivers, can be plug and for play in most personal PCs, if your computer is OSX, or for Windows, Linux, ubuntu and other mainstream systems, as long as it is connected, you can use it. Specification: Support system: for WINDOWS/-MAC OS/Linux/Vista, etc. Output current: TOATL 0.9A Output voltage: 4.75~5.25V Maximum data transmission speed: 104M/S Computer terminal: USB 3.0/-TYPE C (-Type C interface output is 2.0) Function: Four-port USB 3.0 female socket, connect to various devices with USB 3.0 interface, Bluetooth-compatibletooth, mouse, keyboard, printer, U disk, online banking, mobile hard disk, etc., support four ports to work at the same for time, and also with MICRO USB 5V power supply port. Note: No retail package. Transition: 1cm=.10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Packing List: 1xusb hub