Yealink BH72-NC Bluetooth Cordless Headset, UC/TEAMS, Stereo

• Retractable hidden microphone arm
• Multiple microphones Acoustic Shield Technology
• Excellent audio experience and all day wearing comfort
• Dual-side busylight for full visible angles
• Up to 40 hours wireless battery life

PROFESSIONAL OLE WOLFF DIAPHRAGM
The truest voice takes you where you hear The Ole Wolff diaphragm, an industry-leading professional acoustic component, provides a wider frequency response and higher sensitivity of music, enabling everyone to enjoy the full sound of originalities and fineness.

INNOVATIVE ACOUSTIC SHIELD TECHNOLOGY
Be heard, and also be understood. Yealink Acoustic Shield Technology ensures distraction-free audio quality in daily calling with a virtual shield created by multiple microphones, to ensure you’ve been heard clearly.

NOISE-CANCELLATION MICROPHONES
Your words will never be late or lost. Specially tailored noise-cancellation microphones, placed in retractable Magic Boom, together with beamforming, gets your message across completely even in noisy environments with clear and crisp voice transferred.

SEAMLESS UC EXPERIENCE
UC certified, users satisfied. Universally compatible to work with common calling applications across almost all platforms and operating systems, Yealink Headsets are ready for your business and professional communication from the moment you start with.

Battery 
Talk time Up to 35 hours
Music Playback time Up to 40 hours
Standby time 112 hours
Charging time (cable) 1.5 hours
Audio 
Active Noise Cancelling N/A
Speaker size 35 mm Ø
Speaker sensitivity 117 dB @ 1 mW – 1 KHz
Speaker max input power 50 mW
Speaker frequency range 20 Hz – 20 KHz
Speaker bandwidth – Music mode 20 Hz – 20 KHz
Speaker bandwidth – Speak mode 100 Hz – 8 KHz
Microphone type 1 Analog ECM and 1 Analog MEMS
Microphone sensitivity 23 dBFS/Pa
Microphone frequency range SBC
Audio codecs Supported
User hearing protection EN50332
Connectivity 
Connection (computer and mobile devices) USB-A/USB-C Bluetooth adapter, Bluetooth
Bluetooth® devices Yes
Bluetooth version Bluetooth 5.0
Bluetooth profiles HSP v1.2 , HFP v1.7, A2DP v1.3, AVRCP v1.6, PBAP v1.1, SPP v1.2
Operating range Up to 30m/Up to 100ft
Bluetooth pairing list Up to 8 devices
Simultaneous Bluetooth Connection 2