| RELATIVE TECHNOLOGY PARAMETER： Digital formats supported:MP3/WAV/WMA PC interface supported:USB2.0 Mfr estimated battery life:5 hours Battery tape/capacity : Bullt-in Lithium lon Polymer/3.7V.150mAH Maximum input power rating:5VDC Earphone output power:5mw Voice output frequency:20Hz-20Khz THD:0.05% Recharging time:2 hours Normally works current:30-35mA. Signal-to-noise ratio:87.2db Earphone impedance :16 Weight:52g Dimensions:172*160*40mm Extended Length of Earphonefixed lever:14mm Rotary degree of earphone fixed lever:270° Rotary degree of earphone:90° |
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