:.. PeakStop™ 105 dB SPL, Jabra Safetone™ 360° Busylight Compact & Foldable Design Adjustable Boom Arm Active Noise Cancellation Digital MEMS Microphones Jabra Air Comfort Technology Optimized for Unified Communication . Specifications: Speaker Size 28mm Active Noise Cancellation (ANC) Hybrid ANC 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 2 Analog MEMS / 4 Digital MEMS (Stereo) Microphone Sensitivity -38 dBv/Pa (analog microphone)/-26 dBFS/Pa (digital microphone) Microphone Frequency Range Analog: 20Hz - 10000Hz. Digital: 20Hz - 10000Hz Certifications Alcatel-Lucent, Avaya, Cisco, Unify, MFi, Zoom Rooms, Google Meet, Amazon Chime, Google Fast Pair, Microsoft Teams (variant dependent) Audio codecs supported SBC L