"You can charge your mobile phone while using the computer (requires a mobile phone with wireless charging function), including other wireless charging, the wireless charging of the mobile phone is divided into 3 charging speeds, namely 10W/7.5W/5W, it will automatically identify the fastest support speed and charge your phone.High-speed transfer: The USB C hub has dual SD/TF card ports and 4 high-speed USB3.0 ports, which is much faster than most card readers on the market. Read standard SD and Micro-SD cards for easy and fast processing of photo files. No need for extra drives, connect USB flash drives, hard drives, keyboards, mice, printers, thumb drives, USB sticks, MP3 players, etc. All ports can be used simultaneously 4K video and audio output: The HDMI port extends your computer to a TV, monitor or projector for video and audio transmission. Supports 4k (3840x2160), 2k (1920x1200), 1080p (1920x1080) and 720p (1280x1024) resolutions. HDMI outputs clear video streams with amazing smoothness. Stream crystal clear high resolution video on 4k monitor sns using HDMI port. The Type-C hub also has a 3.5mm portable speaker that outputs.Product Specifications:Chip: EP9631G+GL3510+GL823K*2+RTL8153BResolution: HDML: 4KVGA: 1080PNetwork card: support 100/1000M EthernetWireless charging: 5W/7.5W/10W charging powerPD charging: 87W PD fast charging up to 100WCard reader: support MicroSD/TF card readerWire: PVCCore: tinned copper wireAudio: 3.5mm interfaceLine length: 15CMInterface type: HDMI+Audio+4*USB3.0+3*USB2.0+TF card+SD card+PD portcolor: greyMaterial: aluminum alloySize: About 12*6.3*1.9cmPackage content: 1*15in1 hub"