Moving Coil and Ceramics Dual Unit Produce a sound clarity across a wider audio range, create a more precise listening experience. Comfortable Half In-ear Design Ergonomically designed to conform to the shape of your ear canal. Entirely takes care of your ears and you can use it for a long time without fatigue. High-tenacity Fiber Cable Stretchable wire with TPE material, no worry to tangle, environmental-friendly, non-toxic, and heat resistant. MEMS Microphone, Three Sleek Buttons Mems microphone reduces noise interference. The wired remote comes with three sleek buttons for answering calls, music playback and volume adjustment. 90 Degrees Plug Adopt 90 degrees plug design, better protect the plug, ensure long-term use. Fashionable Design Precise cavity structure calibrations, let music sing better.