【Listening to Music and Charging】 The JSAUX USB C Headphone Adapter and Charger is designed for the phone without a 3.5mm socket. With this USB C jack adapter you can listen to music and charge your phone at the same time. Note: If you stop charging while listening to music due to switching the power system, the music will be interrupted. If you use the headphone adapter with Apple headphones, you cannot use the volume control. 【Powerful Chip】 To ensure HIFI sound quality and safety, the JSAUX USB C jack adapter uses the high-quality DAC music chip CX21986 and the charging chip EJ899. You will get an authentic and natural sound quality without distortion. Therefore, you can enjoy pure original sound and your favorite videos/films. Note: The 3.5mm socket is compatible for CTIA and OMTP headphones. 【Supports the PD and QC Charging Protocol】 JSAUX USB C audio adapter can support up to PD 30W charging protocol, QC2.0 and QC3.0. The maximum charging power of the headphone adapter is 9V / 3A. To achieve fast charging, please use original wall charger and fast charging cable. Note: The USB C port of the headphone adapter only supports charging, not data transfer. 【Compatible List and High Quality】JSAUX USB C headphone adapter compatible with Samsung S20 / S20+/ S20 Ultra/Note20/Note20 Ultra 5G/Note10/Note10+/A8/A80, Huawei P40/P40 Pro/ P30/P30 Pro/P20/P20 Pro/Mate 30/30 Pr /Mate 20/20 Pro, iPad Pro 11 "/iPad Pro 12.9"/iPad Air, OnePlus, HTC phone. The premium aluminum housing has good heat dissipation and the nylon cable is more durable. 【What You Get】You will get a USB C to 3.5mm headphone adapter with charging function. If the headphone adapter has a quality problem, please contact us. We will reply you within 24 hours.