Not in-ear design for real sound conduction. 360° non-porous closed sound cavity design to avoid embarrassing sound leakage. Using a biological diaphragm, the sound quality is transparent and powerful. 5.2 Bluetooth with a wireless chip blessing for high-fidelity sound quality. Stable support with memory steel wire combined with silicone; flexible and skin-friendly. Full elasticity maintains a snug fit on the neck and is easy to carry. There is no delay in the game, and there is no barrier to 10M transmission. IP5C charging, safe, stable and fast. Use scenarios: - Daily commuting or office use: comfortable all-day wear with secure fit and minimal leakage. - Gaming, video calls, or multimedia: low latency with reliable wireless range up to 10 meters. - Light outdoor activities or workouts: neck-hugging design stays in place while remaining skin-friendly.