“ I bought these to replace my beloved A-Jays four. I needed something with the integrated in-line ipod/iphone controls, but with a bit better audio-quality, and some that may not pop out as easily as the JAYS. These have a "secure loop" system which provides an adjustable cable loop that tucks into your upper ear, helping to keep the buds in place. I personally found...” --Dneale
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...