Yealink BH71 Pro Mono Bluetooth Headset with Portable Charging Case and BT51 Dongle USB-C/A 1208709 Brand_ECore Frequency Response: 20 Hz ~

Frequency Response: 20 Hz ~ 20 kHz

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UVC30 camera

capable of simultaneously providing high airflow and excellent dust filtration

Direct Touch Heatpipe Heatsink

Yealink BH71 Pro Mono Bluetooth Headset with Portable Charging Case and BT51 Dongle USB-C/A 1208709 Brand_ECore Frequency Response: 20 Hz ~Yealink BH71 Pro Mono Bluetooth Headset with Portable Charging Case and BT51 Dongle USB C A 1208709 NOISE FREE CALLING When you talk, the world will catch every word. 4 MIC BEAMFORMING NOISE CANCELLATION Cancel 90% of Background Noise When you're on the run and making calls, ignore background noise. Yealink BH71 eliminates 90% of background noise from your end of the call by applying 4 Mic array beamforming noise cancellation. So you'll sound crystal