The 3M WorkTunes PRO AM/FM 24dB NRR Hearing Protector is a high-quality ear muff designed for industrial use. With its MP3 compatibility, users can enjoy music while being protected from loud noises. Cord not included Made by the trusted brand 3M in the United States, this unit ensures safety and comfort for those working in noisy environments. The ear muffs provide a 24dB noise reduction rating, making it an effective tool for maintaining hearing health.