Features: Standalone usb-c hub to connect your keyboard, mouse, storage etc. 4k hdmi port and gigabit ethernet. Supports usb power delivery. Additional card reader function. Aluminium casing with the strengthened connector and braided sleeve cable. No drivers required. Compatible with usb type-c mac and pc devices running mac os, windows 7, 8, 10. Specifications: Power delivery: max 20v/3a, 60w Ports: 2 x usb 3.1 type-a port (gen 1, 5 gbps), 1 x usb 3.1 type-c port (with power delivery, up to 20v/3a, 60w), 1 x hdmi port (up to 4k x 2k@30hz), 1 x rj45 port (10/100/1000mbps), 1 x sd card slot (supports sd/sdhc/sdxc) Cable length: 15cm Compatibility: USB type-c mac and pc devices running macOS, windows XP, 7, 8, 10 Product dimension: 116.5 x 46.8 x 16mm Cable length: 15cm Product weight: 85g Package dimension: 200 x 125 x 25mm Package weight: 155g