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
First custom earphone in the world with a single 14mm dynamic driver couples with advanced frequency suppression technology (FST). Frequency Response: 10-20000 Hz Impedance：16ohms（including cable） Sensitivity (at 1kHz)：116dB spl (1mW) Important: Due to the size of the driver, people with small ears may not be able to fit. We would need your ear impressions to check for sizes...