To ensure universal wearing comfort, the outer ear canals of people from all over the world were analysed for the Tone FP8 in-ear headphones. Facial anatomy was also taken into account in the development process. The result is an organically curved, ergonomic product that fits snugly and securely with every movement. Gel tops in medical quality, antibacterial colours as well as a UVnano charging box guarantee hygiene in daily use.