General description Optime III are high-performance hearing protectors designed for use in extremely noisy environments. They provide effective protection and high levels of comfort for the wearer, making them suitable for various applications such as airports, marine engine rooms, mining, and power stations. Technical specifications Communication Type: No Communication Feature Cup Colour: Hi-Vis Green Ear Defender Type: Over-the-Head Insulation Type: Not Dielectric MFR Part No.: H540A-461-GB Series: Optime™ III Single Number Rating (SNR): 35dB Standards Met: CE Approved, EN 352-3:2002 Headband SNR: 35dB (H=40dB, M=32dB, L=23dB) Neckband SNR: 35dB (H=40dB, M=32dB, L=23dB) Helmet Attachment SNR: 34dB (H=40dB, M=32dB, L=22dB) Other information