3M Pro-Protect proteção auditiva Bluetooth 90545E, preto/vermelho com microfone de comunicação ativa

The 3M Pro-Protect 90545E stands out by combining high-attenuation hearing protection with Bluetooth connectivity and an active speech microphone, allowing clear communication in noisy environments without removing the ear defenders. Unlike standard passive earmuffs, this model enables hands-free calls and audio streaming while maintaining a robust SNR of 32 dB.

Highlights

• Bluetooth 4.2 for wireless audio streaming and calls
• Active noise-cancelling speech microphone for clear communication
• SNR 32 dB attenuation for effective hearing protection
• Rechargeable Li-Ion battery with up to 20 hours of use
• Padded adjustable headband and replaceable foam ear cushions

In daily use

Designed for industrial and recreational settings, these ear defenders pair easily with smartphones or other Bluetooth devices. Intuitive push buttons on the ear cup control volume, calls, and playback. The automatic shut-off after 4 hours of inactivity preserves battery life. A micro USB port allows convenient recharging, with a full charge taking about 4 hours.

Full specifications

• Noise Reduction Rating (SNR): 32 dB
• Bluetooth Version: 4.2
• Battery Type: Integrated Rechargeable Li-Ion
• Battery Life: Up to 20 hours (communication/streaming)
• Charging Time: Approximately 4 hours
• Microphone Type: Active Noise-Cancelling Speech Microphone
• Bluetooth Profiles: A2DP, HFP, HSP
• Controls: Intuitive Push Buttons on Ear Cup
• Automatic Shut-off: Yes (after 4 hours of inactivity)
• Voice Assistant Support: Yes
• Headband Design: Padded, Adjustable
• Ear Cushion Material: Foam (replaceable)
• Operating Temperature Range: -20°C to +55°C
• Charging Port: Micro USB

Final note

Compliant with EN 352-1:2002 and EN 352-8:2008 standards, the 3M Pro-Protect 90545E delivers reliable protection and modern connectivity in a durable black/red design.