The Ocharaku Flat4-Kaede The name Flat4 is derived from the description "Full-range 2-Element 4-Way Effect." According to the company website this 4-way effect is as follows: 1st effect Placement of opposed elements reduces mechanical vibration due to anti-resonance. 2nd effect Twin element parallel drive improves sound pressure sensitivity of low to middle frequency sound. 3rd...
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