:.. Mono Headset Made For Voice & Music PeakStop™, Jabra Safetone™ Integrated Busylight Noise Canceling Microphone Active Noise Cancellation Digital MEMS Microphones Jabra Air Comfort Technology Bluetooth 5.2. Specifications: Speaker Size 28mm Active Noise Cancellation (ANC) Yes Speaker Max Input Power 30 mW Speaker Frequency Range 20Hz - 20kHz Speaker Bandwidth Music Mode 20Hz-20kHz Speaker Bandwidth Speak Mode 150Hz-6800Hz Microphone Type 1 Analog MEMS / 2 Digital MEMS (Mono) Microphone Sensitivity -38 dBv/Pa (analog microphone)/-26 dBFS/Pa (digital microphone) Microphone Frequency Range Analog: 20Hz - 10000Hz. Digital: 100Hz - 6300Hz Certifications Alcatel-Lucent, Avaya, Cisco, Unify, Zoom, Google Meet, Amazon Chime, Microsoft Teams (variant dependent) Audio codecs supported AAC, SBC LED features & functions Busylight, deskstand do