Compatibility Compatible with PCs via combined USB Type-A and USB Type-C®️ cable. Smartphones via Bluetooth®️. Color Silver Sensitivity (microphone) -45 +/-3 dB Signal-to-noise ratio >55 dB Charge time <5 hours Charging type Cable Battery life Up to 30 hours (talk time) Battery type Rechargeable Li-ion Cable length 1050 mm Bluetooth version 5.1 Supported bluetooth profiles A2DP; AVRCP; HFP; HSP; BLE Nominal sound pressure level 89 dB SPL Touch user controls Call/answer end; Mute; Volume +/-; Programmable function button; Bluetooth® pairing Button user controls Wireless daisy chain Number of microphones 3 Microphone type Three-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