Kensington Professional H3000 Bluetooth Headset – Black

Kensington Professional H3000 Bluetooth Over Ear Black Headset (K83452WW) – Form Factor: Over-ear, Microphone: 270° rotatable microphone with flip to mute function, Speaker Size: Ø 40mm, Speaker Impedance: 32Ω, Speaker Frequency Range: 20Hz to 20kHz, Microphone Sensitivity: -41±3dB @ 1kHz (0dB=1V/Pa), Microphone Frequency Range: 100 to 10kHz, Battery Life: Up to 60 Hours, Charging time: 90 minutes, Operating Systems: Windows 10 and above, MacOS 11.6 and above, Chrome OS v101 and above, iOS 13.7 and above, Android 11 and above