Stable fit for running and sports The design provides a secure, stable fit during running, fitness, and other activities, helping the device stay in place. sound quality 6D double coil with Double Bass, metal cavity 1080Db, delivering sensitivity and fidelity for clear audio. Clear calls with noise reduction Voice fiber and deep noise reduction minimize external noise to deliver clear voice calls. Ergonomic comfort Ergonomic design ensures comfortable wear for extended use. Key specifications 6D double coil Double Bass Metal cavity 1080Db sensitivity fidelity Voice fiber Deep noise reduction Ergonomic design Use scenarios During running, jogging, or gym workouts to maintain a secure and comfortable fit while enjoying audio. In office or noisy environments for clearer telephone or online calls. While commuting or traveling, providing stable wear and better call quality and listening experience.