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  • Your Professional Earphones Manufacturer

    Coolbo was Top headphones manufacturer in China which specializing in manufacturing and marketing of Earphones; Bluetooth earphones; True Wireless Earphones; Noise Cancelling Headphones; Studio Monitor Headphones; DJ Headphones etc...


    Coolbo focus on producing headphones for 10+ years, qualified ISO9001, BSCI, with CE-RED, RoHS, FCC, REACH, UL, MSDS, UN38.3 certifications, with 1 year warranty. We provide you high quality products and VIP service.


    Coolbo have a well team-professional&skilled at earphones area, conscious, the ability of communication and coordination, work hard, meticulous and patience can afford the pressure of the work. We are young, passionate, fun, experienced, helpful, when doing business with us, there is nothing you cannot rest assured.


    Currently we have major customers from all over the world, especially from USA, Europe and Japan. Providing cost efficient yet quality products for our customers, assisting them to gain competitive advantages are our major focus.


    We are your No.1 choice for earphone manufacturer.

  • Factory Test Pictures

    Bluetooth Frequency Test

    Bluetooth RF Test


    Aging Test

    Battery Test

  • Contact Us Today!

    Simply click the button below, tell us what you need, and get a free quote within 12 hours!