MAIRDI MRD-612D is a monaural headset for easy communication with an acoustic shock absorber for hearing protection. Flexible microphone mount for easy use Improved noise cancellation and microphone connection quality for clearer sound during calls Large, comfortable ear cushion made of high-quality soft leather ensures comfortable wearing all day long Modern design T-Pad headband Features: * Lightweight design * Excellent microphone quality * Noise reduction * Acoustic shock absorber * 330 ° - rotation angle of the microphone mount * 180 ° rotatable speaker and headband * 60 mm adjustable steel headband * Optional: multiple connection options: RJ9 jack, 2.5mm, 3.5mm stereo plug, USB2.0 jack