Headphone Adapter Connector Earphones Aux Audio Adapter Stereo Jack Dual Port Headset Audio Adapter Splitter Supports up to 24 bit / 48 kHz audio output, data synchronization and supports remote control and microphone functions of audio headphones. Lightweight and retractable design, easy to carry. It can be placed in bakpack and handbag when going out, no need for additional audio software, just plug the headphones into the jack to enjoy the music. 100% copper core, providing you with high speed, stable signal transmission and lossless digital sound quality. The high-quality aluminum alloy oxide shell is more wear-resistant, corrosion-resistant and enhances anti-interference ability. Support call & volume control & charging & music listening. (Note - distinguish between the charging port symbol and the music gate symbol.) For any music lover, this is a thoughtful and enjoyable design and now enjoy car music anytime, anywhere. This adapter is the best gift for yourself.