1、Aluminum-magnesium alloy material, scratch-resistant, non-discoloring, good heat dissipation and long service life. 2、USB3.1 Type-C to 4*USB 2.0 HUB. Support OTG function, Type-C interface computer and mobile phone external USB expansion device. 3、USB2.0HUB interface, can connect USB flash drive, card reader, mouse, keyboard, mobile hard disk, game controller, printer and other external devices. 4、Compatible for Macbook, U disk, hard drive, game controller. It can also be used for Type-C interface phones and tablets. 5、Small size, light weight and easy to carry. Features: Aluminum-magnesium alloy material, scratch-resistant, non-discoloring, good heat dissipation and long service life. USB3.1 Type-C to 4*USB 2.0 HUB. Support OTG function, Type-C interface computer and mobile phone external USB expansion device. USB2.0HUB interface, can connect USB flash drive, card reader, mouse, keyboard, mobile hard disk, game controller, printer and other external devices. Compatible for Macbook, U disk, hard drive, game controller. It can also be used for Type-C interface phones and tablets. Small size, light weight and easy to carry. Specifications: Material: Aluminum alloy Size: Approx. 8.2*1.4*0.7cm/3.23*0.55*0.28inch Cable Length: 16cm/6.30inch Interface: 1*Type-C, 4*USB2.0 Package list: 1 x Hub Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.