It enables you to mirror or extend the display image of a portable computer/phone to an HDTV, monitor or projector at a resolution up to 4K (3840x2160) @30Hz. The item help enjoy high quality picture movies with sound on the big screen. USB3.0 has a transmission speed of 5Gbps and can easily transfer high-definition movies in seconds. It backward-compatible with USB2.0, and you can connect a USB flash drive, camera, removable hard disk, mouse, and keyboard to a laptop. The power supply 60W is supported and other ports can be used while power is supplied. It is plug and play, no software, drivers or complex installation is required. Type: Adapter Material: ABS Features: Plug and Play, Lightweight, Wide compatibility, Easy to Use Size: 6cm x 17cm x 1cm/2.36" x 6.69" x 0.39" (Approx.) Notes: It is only designed for devices with USB-C port support for data transfer and power input as well as video output (DP Alt mode). Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 1 x Adapter