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 . Ensure every note 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.Specification:Item Type: USB C to AUX Headphone Jack AdapterMaterial: CopperChip: for CX31988PCM: Up to 32bits 384KHzCrosstalk Rejection: ‑110dBSNR: Up to 130dB Distortion: ‑100dBPower Range: ‑60dBFS 120dBOutput Thrust: 1.05Vrms 300ΩHow to Use:Plug and PlayPackageList:1 x USB C Cable1 x 2.5mm Female Connector1 x 3.5mm Female Connector1 x 4.4mm Female Connector