คุณลักษณะ

• These noise-controlled ear muffs control the internal sound in accordance with the external noise level.
• It is easy to talk while wearing it, and you can hear external sounds, so it is highly safe.
• When the noise level is low, external sound can be heard through the built-in microphone. When the noise level is high, the earmuffs can protect your hearing as well as normal earmuffs.
• It can be connected to a wireless device or a mobile phone to enable voice communication, and can automatically control the sound heard internally depending on the external noise level. (Connection cord sold separately)
• With a 3.5 mm jack, you can listen to audio when connected to a wireless device or a mobile phone. (Cord sold separately)
• For noisy work.