Specifications Hign-concerned Chemical:None Package:Yes Certification:CE Funtion:Reader Standard:USB 3.0 Ports:4 Interface Type:USB Type-C Ports:4 Origin:Mainland China Plug Type:None Product name:4-in-1 USB hub USB interface type:USB3.0/USB2.0 Functuous 1:drive free Functuous 2:Low latency Functuous 3:High speed connection Compatibility:Compatible with Windows, MacOS and Linux Size:1.7cm * 20.6cm Feature 1:USB C HUB Feature 2:TYPE C HUB Feature 3:USB C to USB HUB Feature 4:TYPE C to USB HUB Feature 5:USB 3.0 HUB Feature 6:USB C Docking Station Feature 7:Hubs USB 3.0 Characteristics : 1. USB3.0*1 theoretical speed 5Gbsp, standard USB3.0. 2. USB2.0*3 theoretical speed 480Mbps, standard USB2.0, to meet the needs of multi-port expansion. 3. CE FCC ROSH quality environmental standard production Description: Product name: 4-in-1 USB hub USB interface type: USB3.0/USB2.0 Features: drive free; Low latency; High speed connection Compatibility:Compatible with Windows, MacOS, Linux and other systems Size: 1.7cm * 20.6cm 1* 4 port USB Hub 4-in-1 USB HUB OTG Function Make Lifemore convenient PS : phone are required OTG function Plug and Play