36 MONTHS SUPPORT: TECKNET on-ear bluetooth headphones with microphone is perfect for call centers, offices, remote work, home, classrooms, Skype, Zoom, VoIP, webinars, and truck drivers. If you encounter any problems in using the bluetooth headset with microphone for pc, please feel free to contact our professional customer service team, we will provide you with high-quality solutions. WITH USB DONGLE & WIDELY COMPATIBLE: TECKNET usb wireless headset compatible with computers, pc, laptops, cell phones, and other bluetooth devices. If your desktop computer does not have bluetooth function, using the wireless headset with usb adapter can solve this problem. Connecting to the computer via a dongle will be more stable, with no transmission delay. (NOTE: Before using the USB dongle, please confirm that your device has a usb interface, or please use the bluetooth connection). LONG BATTERY LIFE & CONNECT 2 BLUETOOTH DEVICES SIMULTANEOUSLY: TECKNET Trucker bluetooth headset with microphone provides up to 50h work time and 85 hours of standby time on a single charge. 1.5-hour full charge time with included type c cable, not recommended for use when charging. Wireless headset support connects with 2 bluetooth devices(not simultaneous use), avoid missing calls while listening to music, and provides complete wireless freedom with a 33-foot operating. ALL-DAY COMFORT & 270° ROTATABLE MIC: The wireless headset with microphone is equipped with a comfortable on-ear earmuff and ultra-soft protein leather for all-day comfort. 270° rotatable microphone can be used on the right or left side, through the MFB button on the wireless bluetooth headset, you can easily answer or hang up calls (only useful for phone calls). If you want to answer or hang up calls from Skype, Zoom, or Microsoft Teams on the PC side, please set it up through the software. AI NOISE CANCELLING MICROPHONE & MUTE KEY: TECKNET bluetooth headset with microphone for pc can cancel up to 99.6% of background noise around you, making your voice crisp and clear wherever you are. With the mute key, you can click the mute button to turn the microphone on and off during a call (only for mobile phones), can not use the mute function when not on a call. This is the best bluetooth headset with microphone for truckers, receptionists, call centers, and construction sites. WARM NOTICE: TECKNET bluetooth headset sold in Allovmi-US stores are GENUINE, PrimeTimeBuys store NON-GENUINE. If the delivered items do not match what was ordered, please contact us through and send us pictures of the items received for verification. We will reply and solve the problem within 24 hours.