:.. PeakStop™ 105 dB SPL, IntelliTone™ 2.0 Multi-color Status Lights Jabra Direct™ Compatibility Adjustable Boom Arm Flexible USB 2.0 Cable Noise-Canceling Microphone Digital MEMS Microphones Intelligent Volume Control Connects to:. . Specifications: Speaker Size 20mm Speaker Max Input Power 30 mW Speaker Bandwidth Music Mode 50Hz-20kHz Speaker Bandwidth Speak Mode 100Hz-14kHz Microphone Type 2 x MEMS Microphone Sensitivity -38dBV/Pa Microphone Bandwidth 100Hz-14kHz Certifications Cisco, Unify, Zoom, Google Meet, Amazon Chime, Works With Chromebook**, Microsoft Teams (variant dependent) Audio codecs supported SBC LED features & functions Busylight, incoming call, Microsoft Teams notifications (SKU dependent) Headset Form Factor On-ear Headband Noise Reduction on Calls Yes Noise-isolating Fit Yes