This PeltorTM heavy duty headset designed to easily attach to your helmet is ATEX-certified for extreme conditions and comfortable for long shifts. With an an optimal acoustic design, this headset provides ample space for ears while foam and fluid-filled cushions seal out noise, making it comfortable to wear even on long shifts. Also features an easily adjustable noise-canceling boom microphone._x000D_ _x000D_ - Colour: Black_x000D_ - Style: Dual Muff_x000D_ - Configuration: Over-the-head Headband_x000D_ - Receive method: Both ears_x000D_ - Noise reduction ratio: 24dB_x000D_ - Noise cancelling microphone: Yes_x000D_ - Ruggedised: Yes_x000D_ - Push-to-talk (PTT): In-line_x000D_ - Voice Activation (VOX): No_x000D_ - Hearing protection: Yes_x000D_ - Transmit via: Boom mic_x000D_ - Intrinsic safety standard: ATEX