1. It comprises microphone, horn, loudspeaker, talk-listen button, connecting wire and receiver
2. The sending/receiving communication system and horn are installed inside the helmet; the transceiver is installed at the top of the helmet and the horn is installed at ear position.
3. When it is used, the head will have small vibration when talking. The requirements of interphone dialog for loudness can be met through amplification and filtration, and the communication effect can be guaranteed even under a complex environment.
4. Flame retardant and high temperature resistant alloy material is used, which ensures good impact resistance and that it can be used safely under various severe environments.
5. It can be used with interphones of different types. The operation is simple and it is unnecessary for training.
6. Meet European standard.