REMAX RM-303 Pure Music Surround Earphone Black

Product Model: RM-620 Frequency Response: 20-20KHz Output Sensitivity: 102+3 dB Microphone SensitiviREMAX RM-303 Pure Music Surround Earphone Driver Diameter: 9mm Frequency Response: 20Hz--20kHz Impedance: 16 Ω Sensitivity(SPL): 100±3db Rated Input Power: 80mW7 Plug: :￠3.5mm Cord Length: 1.2metersty: -38+5 dB Impedance: 32+15% Rated Power: 3mW Drive Unite: 12mm Wire length: 1200+50mm Net Weight: 13.7g Enhance Again Technology Ergonomic design, tilted into the ear for comfortable wear and excellent sound insulation