Features: Synchronization of video and auditory, more colorful big screen, new upgraded technology. Support 1080P highly resolution support auditory and video synchronization transmission, watching movies / office more enjoyable. Highly definition second cast plug and play devices can be connected to realize the casting of the screen easy to install, easy to operate. The first connection needs to install the driver. Easy to connect to the big screen office more convenient planning/meeting fast screen casting, more convenient speech Stable and smooth,easy and comfortable big screen experience. Stable and smooth transmission Specifications: Size：As Pictures Support Single /Double 1080P Port Connection：USB+TypeC Package Includes: 1PC USB Adapter note: Due to the different monitors and light effect, the actual color the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring difference due to manual measurement.