1MORE Dynamic Driver In-Ear Earphones Fashion Headphones with Ergonomic Comfort, Balanced Sound, Tangle-Free Cable, Volume Control, Microphone - 1M301 Space Gray Immersive audio - Audio clarity and balance achieved by patented three-layered dynamic driver + dual resonators. if design - Faddish piston design with traditional Chinese red and space gray; designed for young people. Ergonomic design - Lightweight housing with the 45 inclined angle for long-term comfort and anti-slip. Seamless control - Integrated mic and 3-button in-line control for hands-free managing on music and calls. Fashion yet durable - Stylish color matching combined with aluminum alloy body, Kevlar wire for aesthetic appeal with long lifespan.