4 in 1 usb c hub4K HDMI usb c hub, 1 USB 3.0 A, 1 USB 2.0 A, one 87W PD port (tips: no data function). The 4 ports allow simultaneous connection. 4K video output USB HDMI hub supports high resolution up to 4K 3840 x 2160 @ 30Hz and streams 4K @ 30Hz or Full HD 1080p videos directly to HDTV, monitor or projector. The HDMI screen has no delay. Backward compatible with 2K / 1080P / 720P resolutions. Built-in PD charging port Type-C charging port can share up to 100W with laptop USB Power Deli=very and provides additional power for hard drive, DVD drivers and accessories connected to USB ports .Wide Compatibility: The USB C HDMI adapter is compatible with MacBook Pro, MacBook Air, iPad Pro Air and other USB C devices. The USB hub supports OTG function, which allows you to transfer files / photos / videos directly from the USB stick to your smartphone.Super Speed Data Transfer USB 3.0 A ports support ultra-fast transfer speed of up to 5 Gbps. Slim and compact, no driver is required, just plug in and play.