Digital tuning with LCD display automatically searches for radio stations 10 pre-set stations and volume memory Crisp digital radio reception and high-fidelity stereo sound quality Lightweight slim earcup design Features patented Air Flow Control technology™ for optimal attenuation Snap-in ear cushions for easy maintenance and replacement Padded diamond-patterned headband with reinforced fork slides Maximum volume output of FM radio at 82 dBA (based on input of 120 mV) Uses 2 AA batteries with battery lifetime of 111 hours Includes 3.5mm aux input cable SNR 29 (H 29, M 27, L 22)