Utilizes a highly sensitive air duct and transparent silicone earbuds to reduce electronic radiation. Features a built-in noise-reducing compression sponge and a retractable design for comfortable wear. No wind noise interference; placed on the small sensor on the neck. Unlike regular headphones, the neck vibrations that transmit the voice are not sensitive to background noise. The headphones/speaker sit comfortably in the ear, making it particularly easy to talk. Plastic earbuds fit comfortably into the ear canal. Makes a sound through neck vibrations instead of the microphone. Provides exceptional durability, reliability, and performance in a low-profile environment. U94 military-grade tactical PTT, transmits sound through the radiation-resistant and easy-to-conceal transparent air duct, using a neck vibration voice walkie-talkie headset. Features: Utilizes a highly sensitive air duct and transparent silicone earbuds to reduce electronic radiation. Features a built-in noise-reducing compression sponge and a retractable design for comfortable wear. No wind noise interference; placed on the small sensor on the neck. Unlike regular headphones, the neck vibrations that transmit the voice are not sensitive to background noise. The headphones/speaker sit comfortably in the ear, making it particularly easy to talk. Plastic earbuds fit comfortably into the ear canal. Makes a sound through neck vibrations instead of the microphone. Provides exceptional durability, reliability, and performance in a low-profile environment. The lightweight neck design makes it comfortable and easy to use. With high-quality transparent sound tubes, it's barely noticeable, perfect for monitoring and security at airports, casinos, paintball, conferences, concerts, and other work environments requiring careful communication. The neck microphone is perfect for sports requiring high noise levels and rapid movements. It is ideally suited for high noise levels and extreme sports such as skiing, cycling, hiking, running, etc. Specification: Material: ABS PTT: U94 Tactical PTT Headphone Cable Length: 70cm PTT Line Length: 90cm Neck Part Retractable: Yes PTT Clip: Yes Package List: 1 * Headphones 1 * PTT 1 * Replaceable Earbuds