About this item 

• 🎧【Dual & Single Ear Headset Design】This headset with microphone can be easily switched from a mono working headset to a stereo headset, which maintains stable call communication at work and allows you to enjoy an entertaining experience while relaxing. 
• 📞【99.6% Intelligent Noise Cooling】TECKNET wireless headset with microphone provides a clearer call and recording experience by reducing ambient noise, and the one-touch mute design allows you to quickly mute or unmute during a call, which protects your privacy and avoids interruptions, which is the best choice for Skype/Zoom meetings, truck drivers, receptionists, call centers and construction sites. 
• 💻【Wide Compatibility with Bluetooth 5.0】TECKNET Bluetooth Wireless Headphones can be easily equipped with computers, laptops, cell phones and other Bluetooth devices, for devices without Bluetooth function, you can use our USB dongle to connect【Note: Unplug the USB dongle from your computer when you want to connect your phone to ensure that your phone's Bluetooth can detect the headset device】 
• 🎵【3 Equalization Modes】This USB headset with mic has three music modes: pop, bass and vocal. Simply double-click the multi-function button to switch between POP mode, Bass mode and Vocal mode. 
• 🔋【Up to 50 Hours Battery Life】TECKNET Bluetooth headset has a built-in 400mAh battery, which can work for more than 50 hours after a full charge and standby for more than 200 hours.