Simplecom DA305 USB 3.1 Type C to HDMI 4 in 1 Combo Hub (HDMI + USB3.0 + USB2.0 + Micro USB) DA305 is a 4 in 1 USB C Combo Hub integrated four interfaces in one, takes everything you need into consideration including HDMI, USB3.0, USB2.0 and Micro USB port for charging to connected USB-C device while other ports are working. Ultra-Compact design with aluminium casing, to ensure stable performance and protect the circuit, the metal shell facilitates the heat dissipation when the chip and hub work. Features Mirror or extend your screen with HDMI port and directly stream 4K UHD or Full HD 1080p video to HDTV, monitor or projector Compatible with phone or computer with DisplayPort Alternate Mode (DP Alt Mode)* Two USB ports: USB3.0 + USB2.0, 2 USB ports can be used simultaneously USB 3.0 port for high bandwidth device with transfer rage up to 5Gbps, such as external storage device USB 2.0 port for low bandwidth device with transfer rage up to 480Mbps, such as keyboard, mouse Micro USB Port for Charging Smartphone/Tablet: Smartphone and tablet only has one USB C port, while using this hub for HDMI output, the Micro USB charging port will help to charge your smartphone or tablet Specification Connector: USB-C 3.1 Ports: HDMI, USB A 3.0, USB A 2.0, micro USB (for charging only) Micro USB Charging Input: 5V/1A (for charging Smartphone or Tablet only)** Material: Aluminium HDMI output resolution: Up to 3840 x 2160P/ 30Hz (4K*2K) Dimensions: 75x25x10mm (LxWxH) Cable Length: 10cm Weight: 30g Important Note *Before purchasing, please confirm the USB-C port on your device supports DisplayPort Alternate Mode (DP Alt Mode). Some USB-C ports only work for charging or data transfer, no video output function. **The Micro USB port is for Charging Smartphone or Tablet only, and will not support charge laptops as no enough power.