PHIATON MS 300 White BA Balanced Armature Dual driver In Ear Earphones (Earbuds) with Mic (White) HYBRID DRIVER: The warm depth of a dynamic driver combined with the detailed treble of a balanced armature driver provides your earphones rich, authentic sound. Youll enjoy the best of your bass tones as well as crystal clear high frequency. Gold plated headphone jack will ensure long lasting use BALANCED AMARTURE DRIVERS: Experience high frequency tones like never before in an earphone. The balanced armature driver technology makes each vibrant note come alive, letting you hear all the textured nuances and precise details of your favorite classical, guitar, and string music. DYNAMIC DRIVER LPF TECHNOLOGY: (Low Frequency Pass Filter) This specialized filtering process optimizes acoustics on your earphones by filtering out high frequency sound waves from the dynamic driver, letting the driver focus on low frequency precision and improved bass. This enables the hybrid driver to enhance sound quality along the entire frequency spectrum. TANGLE-FREE OVAL SHAPED CABLE: The textured cable helps to minimize cable tangling while the special design also helps to reduce cable touch noise. "Oxygen Free Copper" cables provide 99.99% purity helping to ensure a clean connection and minimal audio distortion.