Product name: Type-C digital headphone audio decoder Decoding chip: CS43131+SA9312L Supported standards: OMTP (national standard)/CTIA () headphone automatic switching Wire core material: 4 strands of single crystal copper wire + 4 strands of pure silver mixed together for a total of eight strands Shell material: one-piece metal alloy sandblasting + Host length: 57.8x17x8.1mm Wire length: 125mm Multi-function button: Android can pause and play, switch songs, and play and pause Featured functions: Android typec mobile phone supports calls and supports walkplay app eq tuning sound effects Chip parameters Chip model: CS43198 +SA9312L PCM decoding capability: 32bits/384KHz Signal-to-noise ratio/SNR: 127dB Dynamic range/DNR: 120dB Distortion/+N: Less than 0.00028% Frequency response/FR: 5Hz-40KHz+/-0.5dB DSD decoding: DSD 60-256 Supported system: compatible with win10, Android4.0 and above operating systems Supported devices: Pixel series// //// and other series of mobile phones, laptops, Colour:silver Material:Aluminum Alloy Package Contents: 1 set * Type-C digital headphone audio decoder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.