Features 1.AV Synchronization: Wireless display adapter supports synchronized sound and video transmission, which makes the movie watching and office experience smoother. 2.Easily Connect with Big Screen: Wireless display adapter can quickly cast screen, convenient for planning and meeting, making presentation more convenient and office faster. 3.Cell Phone Screen Casting: Wireless HD Multimedia Interface display adapter supports cell phone screen casting to watch movies, enjoy the shocking experience of big screen viewing, cell phone chatting is not affected. 4.4K Ultra HD Picture Quality, Real Color: Wireless display adapter supports 4K 30Hz high resolution, the picture quality is delicate and real, bringing ultra high definition visual enjoyment. 5.Powerful Chip: Wireless HD Multimedia Interface display adapter's motherboard is equipped with a powerful chip to ensure fast transmission speed and fluent operation. specificationItem Type: Wireless Display Adapter Material: ABS Model: G104 Interface: HD Multimedia Interface, Type C Function: Wireless Same Screen Device Material: ABS Resolution: 4K Network: 2.4G 5G PackageList 1 x WirelessDisplayAdapter 1 x Instruction Manual 1 x USB Cable