1. Open-ear design: Safe and controllable, enabling seamless communication with the environment. Comfortable and secure, no pressure during long-term wear without insertion 2. IP67 Waterproof and Sweatproof: Integrated body, fully sealed and waterproof. No worries about heavy sweating during exercise or getting caught in the rain while traveling 3. 8-hour Music and Calls: Long battery life with magnetic fast charging, charge and use instantly. 5-minute quick charge offers an additional 1.5 hours of playtime 4. Unique Panoramic Sound Quality: Grammy-winning producers involved in audio calibration. Audio-Haptics Integrated System sensitively enhances low-frequency rhythms. Three audio effect modes for flexible selection: Equalizer, Bass Boost, Vocal Enhancement