Specifications: Microphone: Type: Dual omni-directional MEMS mics with directional beamforming and DSP; Frequency Response: 100 ~ 8 KHz; Speakers: Frequency response (music mode): 20 ~ 20 KHz; Frequency response (talk mode): 100 ~ 8 KHz; Sensitivity: 118.0±3 dB at 1mW @1 kHz; Driver size: 40 mm Battery: Built-in battery (Lithium ion); Battery life (talk time): Up to 18 hrs; Battery life (listening time): Up to 20 hrs 1Battery life may vary based on users and computing conditions.; Charging: USB-C charging cable: 1.5 m; Wireless: Bluetooth version: 5.2; Wireless range: Up to 30 m (open field line of sight)
Warranty: 24 Months