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in-Ear Headphones VJJB Dual Dynamic Coils Replacable Cables Built-in MIC Stereo Noise Reduction Earphones HiFi Deep Bass Headsets Sweatproof Waterproof Earbuds for All Music Player-Clear Grey
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About In-Ear Headphones VJJB Dual Dynamic Coils
N1 HIGHQAULITY SOUND HEADPHONEBrand:VJJB】【Product Model:N1】【Color:Clear Grey】【Wear Way:Earplugs】【Type:Enclosed】【Power: 1 mW】【Frequency Range:10-22 KHZ】【Sensitivity:102 - dB/mW】【Impedance:8 Ω】【Cable Length:1.2 M】【Interface Types:3.5 mm】【Weight: About 15 g】【Drive Unit:6 mm * 4】【Design: Built-in microphone】【Sensitivity: - 40 dB】【Class:Electret Capacitor】【Frequency Range:100-10 KHZ】Shock Two-way Dynamic CoilsArray type titanium diaphragm double unit 6 mm,blessing electronic tuning technology,current filtering clutter,combined with N1 man-earphones ear structure, redefined. The double dynamic headphones from turbidity, restore nature sound sourceInvaluable Cable Replacement Technology 2 silver-plated detachable replacement cables, one with micrphone and remote,choose caple flexibly , better protection of the headset,no worry about the headset broken, and you can still experience personal choice pleasure16 Industrial TestsDrop Test, Tensile Test, Swing Test,High and Low Temperature Test, Environmental Test,Salt Spray Test, Insertion and Plug Test, Buttons Test,Vibration Test, Curve Test, Resistance Test, Static Test, Electroacoustic Test, Balance Test and Acoustic Pressure MeasurementR&D Flow ProcessesUpgrade Project Startup,Determine product design style,Product appearance design completed,Internal structure design,Industrial model issue,Start debugging sound quality,Determine sound quality,Supply chain leading-in,Overall reliability test.trial-produce on a small batch basis,Official listingPhysical Noise Reduction, Isolating NoiseInvestigate and survey extasive date to find perfect angle and selective material to isolate noise around,Large data sampling population ear cavity, through the test point of view and material, and control of ear details,to create N1 physical noise reduction, isolated external noise,Feel purely sound quality
