Logitech Zone Vibe 100 Headphones

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 SpeakersFrequency response (talk mode): 100 ~ 8 KHz SpeakersSensitivity: 118.0±3 dB at 1mW kHz SpeakersDriver size: 40 mm Built-in battery (Lithium ion) Battery life (talk time): Up to 18 hrs Battery life (listening time): Up to 20 hrs USB-C charging cable: 1.5 m Bluetooth version: 5.2