The Husqvarna 578274903 Ear Muffs with FM Radio provide essential hearing protection with an SNR rating of 27 dB and NRR of 25 dB. Designed for comfort during extended use, these ear muffs feature an adjustable headband and soft ear cushions to ensure a perfect fit for various head sizes. A built-in FM radio allows for entertainment, while a 3.5 mm AUX input enables connection to MP3 players or communication radios. Powered by two AA batteries (included), these genuine Husqvarna ear muffs are ideal for professionals and homeowners using outdoor power equipment.