FM Radio Ear Muff

• Serving as a standard earmuff when not activated to reduce noise level.
• All voices interrupted when exceeding 85dB to ensure use safety in noisy environment for longer hours.
•  Easy cell replacement(1.5V x 2) simply by opening up the cell cabinet.
• Independent FM and volume adjust knobs( 87MHz ~ 108MHz).
• Decibels over 200hours of battery life auto-adjust headband.

SNR = 28db

Compliance: CE EN352-1/CE EN352-8