Features: 1. Plug and Play 2. Support digital devices with Type-C interface audio input and output 3. Compatible with Win 7/8/10, Mac OS X, iOS 10 and Android 4.0 and above operating systems 4. Using high-performance DAC digital audio decoding chip, high-fidelity restore sound quality 5. Support music playback, voice calls and WeChat calls (some mobile phones) 6. Single crystal copper wire, good conductivity Product Specifications: 1. Supported standards: OMTP (national standard)/CTIA (American standard) headset automatic switching 2. Decoding chip: Realtek ALC4042 3. Core material: single crystal copper 4. Shell material: aluminum alloy sandblasting + anodizing 5. Product length: 12.5mm+/-0.5mm 6. Product weight: 8g 7. DAC sampling rate: 32bits/384KHz 8. Signal-to-noise ratio/SNR: greater than 100dB

http://olla.gr/ta12-r-usb-c-type-c-male-to-3.5mm-audio-female-single-crystal-copper-braid-earphone-adapter-black/