Cardas Ear Speaker EM5813 In-Ear Headphones Based on the Cardas "Golden Ratio" - The Most Significant Advance in In-Ear Headphones We Have Ever Heard After 4 years of research and development encompassing every part of the human hearing system and how it relates to Ear Speaker performance, George Cardas has left no stone unturned to develop an Ear Speaker that delivers transfixing...
Radically reduces external noise that interferes with your music. Ends dangerously loud music struggling to compete with mowers, chain saws, hammers and other loud sounds. Hearing Protector Type: Noise Isolating Earbuds, Noise Reduction Rating (NRR) (dB): 24, Pairs (qty.): 3, Case Included: Yes