Product use: USB C 8-in-1 expansion, supports PD fast charging 100W, high-definition video, connect mouse, keyboard, U disk and dual drive card reader.Mobile phone use: suitable for Huawei/Microsoft and other models for TYPE-C mobile phone port expansion, supports PD fast charging, HDMI screen projection, can connect U disk, mouse and keyboard, OTG dual card dual reading. Operate and view files and video projection in the mobile phone.Supported models (computers): support PD protocol/HDMI, Type-c universalSupported models (mobile phones): support PD protocol/HDMI, support OTG functionMale head (type-c): TYPE-C3.1Female seat: 1. PD fast charging 100W, 2. HDMI standard 4K. 3.USB 3.0*3. 4. SD2. 0+TF2.0 dual drive card reader. 5. USB C data 2.0 standard. Supports USB audio protocol, suitable for type C headphones, U shield, etc.Style: 8 in 1: YC930Product size bare machine: 11.5*4.4*1.2 cmPacking size: 15. 4*8. 1*2.1 cm