Yealink Headset BH 70 Dual UC USB-C/A - Headset - 20 KHz

Storage temperature (T-T): -30 - 70 °C
Operating temperature (T-T): -10 - 45 °C
Weight: 147 g
Windows operating systems supported: Yes
Mobile operating systems supported: Android, iOS
Mac operating systems supported: Yes
Wearing style: Head-band
Control type: Buttons
Headset type: Binaural
Volume control: Button
Operating keys: Volume +, Volume -, Play/Pause, Answer/end call
Number of simultaneously connected devices (max): 2
Control unit type: On-ear control unit
Number of paired devices remembered: 8
LED indicators: Yes
Product type: Headset
Product colour: Black
Recommended usage: Office/Call center
Package height: 53 mm
Package depth: 207 mm
Receiver included: Yes
Quick start guide: Yes
USB connectivity: Yes
Bluetooth version: 5.2
Bluetooth: Yes
Wireless range: 50 m
USB connector: USB Type-C / USB Type-A
Connectivity technology: Wireless
Battery operated: Yes
Continuous audio playback time: 43 h
Battery type: Built-in battery
Talk time: 35 h
Battery recharge time: 1.5 h
Microphone frequency: 100 - 8000 Hz
Microphone sensitivity: -14 dB
Microphone type: Boom
MEMS (Micro-Electro-Mechanical System) microphone: Yes
Microphone noise-canceling: Yes
Number of microphones: 3
Driver unit: 3.5 cm
Maximum input power: 30 mW
Headphone sensitivity: 117 dB
Headphone frequency: 20 - 20000 Hz
Charging time: 90 min