Chip model: ALC5686Interface: Lightning to 3.5 femaleOverall length: 1 3cmThrust: 65mW (329)DAC sampling rate: 32bits/384KHzSignal-to-noise ratio/SNR: >125dBDynamic Range/DNR:>100dBDistortion/THD+N: 95dbTHD+N: 0.0003%DSD: 64/128 (PCM)Wire: 4 strands of single crystal copper + 4 sterling silver mixed with a total of 8 strandsThis product does not support Apple calls, you can control the volume and cut songs by wire, double-click the pause button or triple-click the pause button to cut the song (wire control needs the support of your headset and playback software)How to Listen to Lossless Audio on iPhone or iPadrequiredAfter updating your iPhone or iPad to iOS or iPadOS 14.6 or later, you can listen to lossless audio on your device in the following ways:Use cables to connect devices to headphones, receivers or powered speakers Use built-in speakers To listen to songs at a sampling rate higher than 48KHz, you need to use an external digital-to-analog converter.How to turn lossless features on or off1. Go to Settings > Music2. Tap Audio Quality.3. Tap "Lossless Audio" to turn this feature on or off. Here you can choose the audio quality you want when streaming and downloading audio.. If "Lossless" is selected, the highest resolution is 24-bit/48 kHz If "High Resolution Lossless" is selected, the maximum resolution is 24-bit/192 kHzHow to Listen to Lossless Audio on MacrequiredAfter updating your Mac to macOS 11.4 or later, you can listen to lossless audio on your device in the following ways:Use cables to connect devices to headphones, receivers or powered speakers Use built-in speakersTo listen to songs at sample rates higher than 48 kHz, you will need an external digital-to-analog converter.