Perfectly fits the curve of inner contour of ear. Keep your earbuds secure stay and much comfortable in your ears. Accurate sound tube angle perfectly fits your ear canal, and seal block out external noise. Provides a pure immersive sound. Distinctive Transparent Crystal Elements Conceal Internal Components in A Minimalist Style while Sustaining The Semi-transparent Effect, Clear and Bright. Ultra-thin Layer Fully Demonstrates the Perfect Combination of Nature and The Beauty of Curves, Producing Sleek and Lightweight Stylish. The professional ORIGX 2.0 technology further optimises the performance of vocals and midrange, delivering more distinctive immersive and realistic sound through clear layers and extremely rich vocal music details. TOZO Crystal Buds are equipped with 4 microphones to reduce ambient noise through Dual-Microphone AI algorithm, so you can enjoy High-Fidelity audio and Crystal-Clear call even in noisy environments. Compatible with USB-C cable and fast wireless charging, keeping the power at any times, achieving faster transmission speed and more convenient use experience.