1、SUPPORT HIGH RESOLUTION SOUND: Support up to 32bits 384kHz PCM high end decoding, provide you lossless sound quality, you can get higher fidelity sound from it. 2、HEADPHONE JACK ADAPTER: When your cell phone only has Type C port without 2.5/3.5/4.4mm headphone jack, connecting this headphone adapter cable to your USB‑C cell phone is the premium solution. 3、DAC Chip: This USB C to AUX adapter has a built in chip for CX31988, which is an upgraded version of the CX31993 chip on the market. The purpose is to improve the sound quality and resolution, maintain the original sound quality of the headphones, and effectively suppress noise and high interference. 4、PORTABLE AND PRACTICAL: The convenience of a small and lightweight cable is portable. Plug and play, easy to use. USB C adapter can help you perfectly convert analog and digital signals. Ensure every note signal is captured and enjoy lossless music. 5、MULTIPLE PLAYBACK METHODS: When you are at home or office, you can use it to get high resolution sound for listening to music, playing games, chatting and living. Item Type: USB C to AUX Headphone Jack Adapter Material: Copper Chip: for CX31988 PCM: Up to 32bits 384KHz Crosstalk Rejection: ‑110dB SNR: Up to 130dB Distortion: ‑100dB Power Range: ‑60dBFS 120dB Output Thrust: 1.05Vrms 300Ω 1 x USB C Cable 1 x 2.5mm Female Connector 1 x 3.5mm Female Connector 1 x 4.4mm Female Connector