About earphones: Transducer:5U Impedance:32Ω±15％ Sensitivity :105±5dB at 1KHz,5mW, Frequency respond:20Hz~20KHz Rated Input Power:6mW Maximum Input Power:12mW Cable material：zipper 40cm Braided wire:80cm plug:φ3.5 Mic function 1). Mic 2). Answer phone call mode, one press on/off 3). Play music mode: Music pause/play function 4). Double press to next song, press it three times to previous song Usage instruction 1).1/3 volume, can play 12-24 hours 2).2/3 volume, can play 12 hours 3).The normal use, can play 72 hours 4).3/4 volume, can play 24 hours 5).it will hurt your ears if not taken away when sleep 6)No more than 2/3 volume will be fit 7)It is only use tips. You can use according to your own needs 8)New earphone can not start at highest power, or it will damage the earphones earphone protection tips 1)please check jack plug clean, or the sound will be distorted 2)Please use dry soft cloth to clean the dirt 3)Please avoid using the earphone in raining day. It can make cable aged easily
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