Sarevile Bluetooth Headset with USB Dongle for Computer, Single-Ear Wireless Headset with Noise Cancelling Microphone for Office & Truckers, Bluetooth V5.2 with Mute Button for Work

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• Crystal-Clear Calls with Noise Cancelling Microphone: The bluetooth headset advanced ENC (Environmental Noise Cancellation) blocks out background noise for crystal-clear calls, ideal for busy offices or noisy driving environments. NOTE: Ensure that the encryption dongle is securely inserted and not affected by interference from other signals.
• Extended 50-Hour Battery Life: The trucker bluetooth headset features a powerful 400mAh battery that provides up to 50 hours of talk time and 200 hours standby, so you stay powered through long shifts without frequent recharging.
• All-Day Comfort Design: The bluetooth headset ultra-lightweight build with an adjustable headband and memory foam ear cushion ensures comfort even during long conference calls or drives.
• Stable Connection with USB Dongle: The wireless headset with USB dongle, which is perfect for work on computer, even if there is no Bluetooth function on your computer. Just need to plug the USB dongle to your computer and they will pair fast and easily. NOTE: Please don’t forget to set “M99+” as the audio input and output on your computer. If you want to use Bluetooth connection, please unplug the USB.
• 270° Rotatable Boom Mic & Mute Button: The bluetooth headset flexible mic arm allows left or right-side wear. One-touch mute function gives you instant privacy when needed during calls.
• One-Ear Open Design for Safety: The wireless headset single-ear design keeps one ear open — perfect for drivers who need to stay aware of traffic while staying connected on the road.