Features brand new and high quality<br/> Driver-free quick pairing: driver-free, installation-free, just plug in and connect, convenient and fast.<br/> Instant voice: Bluetooth-compatible headset is wirelely connected to laptop/PC, online video/voice, turn on in one second.<br/> Clear sound quality without noise: support lole source transmiion, clear sound pickup in noisy environment, restoretrue sound quality.<br/> Support a variety of software: The product supports multiple online video/voice software, such as: WeChat, Tencent Meeting, DingTalk, Skype, Zooms, .Teams and other social software.<br/> for multi-version systems: support Windows7, Windowsa8, Windows10, Android, for Mac and other systems.<br/> Specifications: Bluetooth-compatible version: v5.0/5.2 Color: black Transmiion distance: 20 meters Rated voltage: for DC 5V Transmiion method: USB data transmiion Product size: approx. 41.3x18.1x9.1mm/1.63x0.71x0.36in Support system: Win7Win8Winl0/Android/for Mac and other systems Note: 1. There may be small deviations in size due to manual measurement, different measurement methods and tools. 2. The for image may not reflect the actual color of the item due to different shooting lights, angle and display monitor. Package Includes: 1 x Audio USB Dongle