QuieTunes™ radio earmuffs are rechargeable with clear FM stereo sound

• Rechargeable battery provides over 40 hours of use
• Recharge port also used for connecting CD players and communication radios
• Balance control for adjustment of left and right speaker
• Automatic four-hour shutoff feature
• NRR of 25dB

These earmuffs feature clear FM radio sound, powered by a rechargeable battery (included). Recharge unit overnight and get over 40 hours of use. NRR of 25 protects you from outside noise. Electronic control limits the sound produced inside headset to 82dB, which is below the OSHA mandated level. Recharge port can also be used to connect other devices such as CD players or communication radios. The input signal will override the FM radio, which cannot be heard when an auxiliary device is used. Balance control allows for adjustment of left and right speaker. Headset will automatically switch off after four hours of continuous use. Soft foam ear cups and headband provide a comfortable fit. Radio covers between 88MHz and 108MHz. Analog tuning. Charger included. Weighs 15.4 oz. Hygiene kit (replacement ear cushions and foam inserts) sold separately (Item 10734). Imported.