Features: Great Performance: The third generation damping balance system. optimizes the performance, delivers crystal clear music. Ergonomic Design: Fit your ear perfectly, comfortable to wear. High-quality: The earbuds made of hign-end aluminium alloy material, delicate and durable, anti-fingerprint, anti-scratch. Built-in Microphone: Hands-free calls, convenient in daily life. Music Control: Music play and pause, enjoy your music world.