3M 7100229187 Headset is a high-quality hearing protection device with an attenuation rating of 27 dB. It features an integrated communication system and a lithium-ion rechargeable battery with a 20-hour battery life. This headset utilizes a 2-way communication type with audio specifically designed for communication purposes. It is comfortable to wear with its headband suspension method. Additionally, it supports wireless technology for two-way radio communication. Trust 3M to deliver outstanding products that prioritize both safety and communication needs.