AI NOISE CANCELLING MICROPHONE & MUTE KEY: TECKNET bluetooth headphones 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 trucker bluetooth headset, receptionists, call centers, and construction sites.,ALL-DAY COMFORT & 270° ROTATABLE MIC: The wireless headset with mic for work 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 the trucker bluetooth headset up through the software.,LONG BATTERY LIFE & CONNECT 2 BLUETOOTH DEVICES SIMULTANEOUSLY: TECKNET Trucker wireless headset with mic for work 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. Trucker bluetooth headset support connects with 2 bluetooth devices(not simultaneous use), avoid missing calls while listening to music, and provides complete wireless freedom with a 49-foot operating.,WITH USB DONGLE & WIDELY COMPATIBLE: TECKNET usb wireless headset compatible with computers, pc, cell phones, and other bluetooth devices. If your desktop computer does not have bluetooth function, using the wireless headset with mic for work 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).,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.,FIVE SOLUTIONS to BLUETOOTH CONNECTION FAILURE: Reason 1: Bluetooth has not entered pairing mode; Solution: Check whether the LED indicator of the headset is flashing red and blue alternately when pairing the device. If not, press and hold the power button to turn off, and press and hold the power button again until the LED indicator flashes red and blue alternately.,Reason 2: The headset was paired with another device before, and it was reconnected to the previous device after startup; Solution: Turn off the Bluetooth of the previously paired device and re-pair the headset with the device. Reason 3: The headset was connected to the laptop via a 2.4G receiver; Solution: Unplug the 2.4G receiver, turn on the Bluetooth switch of the laptop, and make sure the Bluetooth interface is re-paired before re-pairing the headset.