Input: USB-C Male Output: 3xUSB 3.0 A+HDMI+SD/TF USB 3.0 standard, Transfer speed up to 5Gbps, Backward compatibilityUSB 2.0/1.1 HDMI2.0 ,HDCP2.2,HDR10/3D HDMI resolution up to 4K/60Hz max Support memory cards for simultaneous use Memory card transfer speed:?90MB/S Aluminum and glass plate case Product size: L115XW34XH13mm Lenth: 20cm