Logitech Wireless Headset Zone Vibe 100Key features of the Logitech Zone Vibe 100 wireless headphones: Sound & Audio 40mm drivers for balanced sound for music and calls Frequency range: Music: 20 Hz 20 kHz Calls: 100 Hz 8 kHz Clear stereo sound suitable for everyday use Microphone & Calls Dual beamforming microphones for clearer voice pickup Noise reducing mic system to help cut background noise Flip to mute microphone (raise the mic to mute instantly) Optimized for video meetings and