MOONDROP Nice Buds are wired flat-head earphones with 15.4mm dynamic driver featuring CCAW voice coil, dual layer hybrid rigid-flex diaphragm, and NdFeB magnet for punchy bass and clear sound. Dual rear-cavity damping with airflow channels enhances low-end control; precision waveguide front ensures transparency across 20Hz-20kHz. Asymmetric ergonomic fit with secure sponge tips offers fatigue-free stability via 3.5mm TRS plug; low THD<0.1%. Includes tips, manual, certificate.