The convenient Yealink BH72 1208615 Bluetooth Headset with Charging Stand is a business and stylish appearance, high-definition audio quality, retractable hidden microphone arm technology, and Yealink Acoustic Shield Technology supported by dual microphones. It allows users to quickly transform any place into a professional office, supporting high-definition professional audio and music playback experience. 

Battery:

• Talking time: up to 35 hours
• Music time: up to 40 hours
• Standby time: 112 hours
• Charing Time (cable): 1.5 hours
• Charing Time (wireless charging): 2.5 hours

Audio:

• Active Noise Cancellation: N/A
• Speaker size: 35 mm Ø
• Speaker sensitivity: 117 dB @1 mW-1k Hz
• Speaker max input power: 50 mW
• Speaker frequency range: 20 Hz-20k Hz
• Speaker bandwidth - Music mode: 20 Hz20k Hz
• Speaker bandwidth - Speak mode: 100 Hz8k Hz
• Microphone type: 1 Analog ECM and 1 Analog MEMS
• Microphone sensitivity: 23 dBFS/Pa
• Microphone frequency range 100 Hz-8k Hz: SBC
• Audio codecs: Supported

Dimensions: 10.79 * 10.28 * 3.78 inches

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