QCY Crossky C50

[Dual-Magnet Driver & Bass Boost]：10.8mm carbon fiber diaphragm with bass enhancement algorithm for richer lows and crystal-clear audio [All-Day Comfort for Every Ear]: Light weight ergonomic design stays securely in place, even for small ears [Bluetooth 6.0 + IPX5 Waterproof]: Crisp audio sync meets sweat/rain defense for unstoppable workouts [Advanced Directional Algorithms ]: Reduces sound leakage by 90%, precisely channeling audio into your ears for private listening [Auto-Tuned Audio for Your Ears]: With a Built-in Bass boost and dynamic EQ algorithm, the earbuds deliver balanced sound with powerful bass [Crisp, Clear Calls]: 4 mics and advanced AI work together to filter out noise for crystal-clear calls. No matter where you are, your voice comes through like you're talking face-to-face.