4-in-1 USB C to Headphone Multiport Adapter The 4-in-1 USB C Hub expands your USB C laptop/device with 3 USB 3.0 ports, a 480Mbps powered USB C port, and a 3.5mm headphone audio jack. Mass expansion, high-definition, ultra-high-speed data transmission, mobile phones. Headphone/microphone combo, can solve the problem of no sound when connected to a computer and sound card damage; fast charging, easy to carry, all-in-one USB C adapter. Attention: The mobile phone/tablet needs to support the OTG function.?Note?TRRS1/8 (3.5mm) is a 4-section headphone + microphone audio jack, which adopts international standard wiring method. If you insert a plug with non-international standard wiring or a TRS3.5mm plug, it is easy to lose sound or make noise. USB C to USB A 3.0 Hub ports can work at the same time, say goodbye to repeated plugging and unplugging, solve the problem of scarce computer USB interfaces, 480Mbps high-speed transmission, picture files can be easily transferred in seconds. Interfacing mobile phones/laptops need to support OTG function, which can be connected to a mouse, U disk, etc., it is making mobile office convenient and fast; high-performance "core" upgrades smart chips, and data transmission is stable and efficient. Made of aluminum alloy, which has good heat dissipation, wear resistance and scratch resistance, and can be used as new for a long time. It is small in size, easy to carry and store, and adopts a short circuit design, which is more flexible and convenient when connecting devices. The 4 in1 USB C converter expands more functions for computers, mobile phones: 3*tablet/computer USB jack and 1*3.5mm audio jack, and can be connected to headphones, microphones, speakers, etc., supports listening + speaking dual functions, CD-level sound quality, clearer than the original sound.