AI Noise Cancellation & Instant Mute: Wireless headset with mic for work features advanced ENC(Environmental Noise Cancellation) technology,calculating the frequency band of ambient noise in advance prevents listeners from hearing your background noise, ensuring every call is clearer and perfect for working from home/office.Our wireless headset has a one-touch mute function,allowing you to easily manage calls,protect privacy, and make every interaction ease | Dual Connection & True Wireless Freedom: Wantek wireless headset can simultaneously connect to computer and cell phone or other bluetooth devices, then you can easily seamlessly switch between video conferences and phone calls.Its wireless working range is up to 49ft/15m, so you can move freely during calls or video meetings, experience true wireless freedom | Two Connection Ways & Wide Compatibility:The work headset is equipped with bluetooth and USB Dongle, even if your computer doesn't have Bluetooth, just connect it with the included USB dongle to enjoy a stable, lag-free audio experience.the headset compatible with popular software such as Skype,Zoom,Teams,Webex,GoToMeeting and Google Meet which meets diverse calling and working needs across different platforms.Ideal for online courses and meetings | Long Battery Life & All Day Comfort: Our wireless headset comes with a strong 500mAh battery, providing an impressive 50 hours of use after a full charge.enjoy long periods of use without needing to recharge often.It only takes 2 hours to fully charge the battery,charge 30 mins for 12 hrs play. colour balck & grey of this bluetooth headphones features with swivel oval ear cups & soft leatherette cushions that fits for all-day use and most people | High Fidelity & Warranty: This computer headset with microphone delivers rich, high-quality audio by 40mm NdFeB Speaker unit for immersive listening experience, surround stereo sound making it ideal work,882-BT Work headset with mic suitable for Home, office, business, classrooms, telework,conference call,video call chatting. Wantek guarantee 12-MONTH Warranty and 24/7 online service, please feel free to contact us