Bluetooth Sports Earbuds

  • Manufactur standard Trucker Headset - New music enjoy life headset headset-R400 – NUEVASA

    Manufactur standard Trucker Headset - New music enjoy life headset headset-R400 – NUEVASA

    After a headset is in hand, we must first praise the headset. For this reason, I believe everyone will know if I don’t say it. We can enjoy it after the approbation, but isn’t everything going well as long as it is applauded? The answer is no, the quality of some earphones is very good, because we usually use our beloved earphones and die prematurely because we are not careful in using it! Here are some common situations in the process of repairing headphones, and I will give you ...
  • New Fashion Design for Invisible Bluetooth Earpiece - New music enjoy life headset headset-E300 – NUEVASA

    New Fashion Design for Invisible Bluetooth Earpiece - New music enjoy life headset headset-E300 – NUEVASA

    The specific applications involved in industrial wireless headsets include the following aspects: site construction such as overhead lifting equipment, airline ground crews, auction industry, fire protection, petroleum exploration and mining, and large industrial equipment operations, training and other occasions. These occasions generally have the following characteristics: there may be a certain degree of danger, or operation errors will bring unpredictable consequences, information is gras...
  • Chinese wholesale bluetooth earphone buyer - New music enjoy life headset headset-R200 – NUEVASA

    Chinese wholesale bluetooth earphone buyer - New music enjoy life headset headset-R200 – NUEVASA

    What is a high-fidelity headset? The main performance of the high-fidelity headset recommended in the International Electrotechnical Commission IEC581-10 document is: the frequency range is not less than 50Hz-12500Hz, and the best frequency response of the current dynamic headset is about 5-45,000Hz; the allowable error of the typical frequency response is positive and negative 3dB; the slope of the frequency response curve does not exceed 9dB per octave; within 250Hz-800Hz, the difference be...