The sampling rate is 16BT48KHz, with a sampling rate of up to 16B48KHZ. Playing music with CD level sound quality is like being present in person Remember to connect the microphone/earphones/earphones simultaneously with the socket, making it easy to mute/turn off the microphone with just one click, and the monitoring volume can be adjusted USB Plug and Play USB Plug and Play solves the problem of device single interface expansion, bridging the space between headphones and gaming devices Compatible with platforms: desktop computer/decanter laptop/mobile phone (additional OTG adapter is required to support WINDOWS/OSX/LINUX system) Clear sound quality, good transmission of sound quality cannot be achieved without good cables, equipped with a one meter data cable, which is not affected by electromagnetic waves and noise interference, and is clear and pleasant to listen to for WINDOWS/OSX/LINUX Driver: USB driver free Audio interface: microphone interface, earphone interface, headphone interface Signal to noise ratio: 94DB, distortion:Less than 0.19% Output power: 14MW Load 16Q Frequency response range: 20Hz-20KHz Colour:black Material:ABS+PVC Package Contents: 1 x Q1 USB7.1 External Sound Card 1 x USB Cable 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.