The Kerbl 345130A Ear Protection with Bluetooth provides robust hearing protection with an SNR (Signal-to-Noise Ratio) of 29 dB, effectively safeguarding against harmful noise levels. Featuring Bluetooth 5.0 technology, it allows seamless wireless connection to mobile devices for hands-free calls via its integrated microphone and high-quality music streaming. The rechargeable battery offers an impressive operational life of up to 80 hours for music and calls, and up to 100 hours on standby, ensuring extended use in demanding environments. Designed for comfort during prolonged wear, it includes an adjustable headband and soft ear cushions. This ear protection is certified according to EN 352-1 and EN 352-8 standards.