Excellent protection and comfortable long-term wear. Ideal for: performing musicians, sound engineers, DJ's, nightclub staff, dental professionals, concerts, nightclubs, air travel, movies, sporting events. Average attenuation options: 16 dB and NRR 7 or 25 dB and NRR 16. Color: smoke............Can also be upgraded to custom earpieces for additional fee. Please call for custom earpieces available in 14, 18, 21, and 24 dB filters.