PLEXTONE earphone implements quality control standards of the most stringent in the world, and the top choice of potential components from Japan NEC, and therefore has a first-class technical index, PLEXTONE earphone at minus 40 degrees Celsius to 120 degrees above zero range of audio stream without attenuation, shifting,noise. Burn-in, only to stimulate better timbre: The new PLEXTONE earphone, due to vibration, not stretch, need to burn, suggested the use of common music songs, including pop songs, making small Concerto, symphony. Continuous playing time should not exceed 8 hours, the volume of not more than 70 percent of the peak, with a small volume, the type of soothing music during the first 48 hours; medium volume with the next 72 hours;after that,100 hours large dynamic songs , with a medium volume playing different types of songs. please note that, although PLEXTONE earphone has a good adaptability to sound pressure, but still should be used to avoid the long time burn-in in large volume. Parameters: Earphone type:in-ear Plug type: 3.5mm Line length:1.3m Frequency response: 16-21500hz Sensitivity: 104dB Power rating:20mW Impedance:16¦¸
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