Compatibility Compatible with PCs via USB Type-A cable or USB Type-A/C® adapter and smartphones via Bluetooth®️ Color Silver Sensitivity (microphone) -45 +/-3 dB Signal-to-noise ratio >55 dB Cable length 1500 mm Bluetooth version 5.1 Supported bluetooth profiles A2DP; AVRCP; HFP; HSP; BLE Nominal sound pressure level 95 dB SPL Touch user controls Call/answer end; Mute; Volume +/-; Programmable function button; Bluetooth® pairing; Microsoft Teams Button user controls Power on/off; Wireless daisy chain Number of microphones 6 Microphone type Six-microphone steerable array Speaker bandwidth 75 Hz to 20 kHz Microphone bandwidth 100 Hz to 6.7 kHz Compatible Operating Systems Windows 11; Windows 10; macOS