Product parameters： Product Name: USB digital headset adapter earphone Product function: usb-a to 3.5mm interface Decoding chip: alc4050 Support standard: omtp (national standard) / CTIA (American Standard) headset automatic switching Core material: high quality wire Shell material: integrated aluminum alloy sandblasting + anodizing Product color: silver gray Product length: 300 mm + - 10 mm Product weight: 15g Packing method: exquisite packing bag Chip parameters： Chip model: alc4050 DAC sampling rate: 32bits / 384khz SNR / SNR: 95dB Dynamic range / DNR: 95dB Distortion / thd + N: 85dB Frequency response / fr: 20hz-80khz Supported systems: compatible with win7 / 8 / 10 and Mac OS X IOS 10 / Android 4.0 or above operating systems Supporting devices: compatible with Google pixel series / compatible with Huawei / compatible with Xiaomi / HTC / Meizu / compatible with Sony / compatible with Samsung S10 note10 series of mobile phones, iPads and laptops, and digital devices with type-C interface audio input and output Product list: USB headset adapter * 1 Wide compatibility: it is more compatible than other C-type to 3.5mm adapters. It is compatible with most C-type mobile phones: pixel 4 3 2 XL, compatible with Samsung Galaxy S21 S21 + S21 ultra S20 ultra S20 Z flip S20 + S10 S9 S8 plus, note 20 10 + 9 8, compatible with iPad pro, compatible with Huawei mate 30 20 10 pro, P30 P20, one plus 6T 7 7pro, etc. Multi function same screen device: This compact usb-c to aux adapter allows you to listen to music and answer calls with headphones, and supports the function of wire control. High fidelity sound quality: this C to aux adapter is compatible with up to 24 bits / 96 kHz, while others are 16 bits / 48 kHz, from which you can get higher fidelity sound. Strain relief design: this adapter adopts strain relief design and can withstand more than 10000 bending tests, making this adapter more durable.