Specifications Hign-concerned Chemical:None Model Number:4 Port USB Hub Certification:None Funtion:None Standard:USB 3.0 Interface Type:USB 3.0 Ports:4 Origin:Mainland China Feature 1:USB 3.0 HUB Feature 2:DATA Transfer Feature 3:USB HUB Splitter Feature 4:High Speed USB 3.0 Hub Feature 5:USB 4 Ports HUB Feature 6:USB HUB For Computer Laptop PC Feature 7:USB 3.0 HUB Adapter Feature 8:4 Ports USB Adapter Splitter Feature 9:Laptop Accessories Feature 10:Type C Hub/USB C HUB USB 3.0 Hub High Speed 4 Ports HUB Adapter Data Cable Splitter Expander Support Multi Systems Plug and Play Multi USB Adapter Note:This product has a 3.0 interface and the rest 2.0 interfaces. Description: [USB Port Expansion]: Simultaneously support 4 USB ports , easy plug and play, increasing your productivity. [Application]: Compatible with all devices and OS systems, no driver required .Ideal connection for hard disk drives, digital cameras, scanners, printers, external CD/DVD, flash memory drives, mouse, keyboard and etc. [Transfer speed]: Supports data transfer speeds of up to 480Mbps/5GB per second (at USB 2.0/3.0 speed). [Design]: Equipped with a 1.8ft long cable, it is easy to wrap the cord to your desired length to fit the optimal desktop setup with your PC or laptop. [Easy to use]: Plug and play, no device driver required for Hub installation.Independent switch, no need to unplug. Specifications : Material: ABS USB Port Number: 4 Main Color: Black Transport Interface: USB2.0/USB3.0/Type-c Transmission Rate: USB 2.0 port up to 480Mbps; USB 3.0 port up to 5Gbps Operating system: Win95/98SE/Me/2000/XP/7/8/10/vista, Linux, Mac OS 8.5 and above. Power Supply: USB 5V/600ma External Power Supply: 5V/1.5A-2A Usage Temperature: 0 -70 Storage Temperature: 10 -90 Size: 7.5*4.0*1.0cm / 2.95*1.57*0.39inch Package Included: 1*4 ports USB Hub 3*USB 2.0 + 1*USB 3.0 interface )