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Multiple functions JAKCOM B3 can serve as a bluetooth earphone when the host is parted. The earphone adopts MIC balance denoising algorithm and has been certified by BQB, and it can provide more reliable connecting performance while guaranteeing sound quality. Accurate recording JAKCOM B3, with six-axis sensor placed within and self-developed new motion algorithms of JAKCOM technology, can not only accurately record and show user's motion information like step number, calorie and distance, but also sleeping duration and sleeping situations as well. Independently functional JAKCOM B3 is equipped with an ultrathin soft HD OLED display on its front, showing the user almost all its function information. It can be independently used apart from cellphone, and the user can master all the functional data without an APP. Extraordinary sound quality Independent cavity of imported titanium film is adopted for JAKCOM B3 earphone, supporting APT-X bluetooth damage-free agreement and CVC 6.0 intelligent denoising technology; imported protein ear pads are also employed for good sound quality and fungi-proofing, causing no pressure even wearing for a long time. High quality production Low-pressure plasma Nano technology is applied for JAKCOM B3, giving a protective layer to the interior and exterior body, and making it safe even in liquor like sweat, rainwater, domestic water or beverage. It meets waterproof and dustproof level standards of IP55. A large-storage battery JAKCOM B3 is armed with a large-storage high-density battery of 100mAh. It can keep standby mode for 150 hours and good endurance performance of 10 hours' continuous talking time.