Powerful Bluetooth 5.3 technology: Using the latest Bluetooth 5.3 technology, it provides a stable and fast wireless connection, allowing you to enjoy music, calls and entertainment without worrying about signal interruption or delay.Reliable IPX7 waterproof performance: With IPX7 waterproof design, the earphones can resist sweat, rain and accidental water splash, so you don't need to worry about the earphones being damaged during sports, outdoor activities or rainy days.High-fidelity HIFI sound quality: Using advanced audio technology, it provides excellent HIFI sound quality, restores audio details, allows you to enjoy a lifelike and clear music experience, and immerse yourself in the wonderful world of music.ENC HD Call Technology: Equipped with ENC (Environmental Noise Cancellation) technology, it effectively reduces surrounding noise interference, provides clear, high-definition call quality, and allows you to maintain a clear voice during calls, no matter in a noisy environment or in windy and windy weather.Long-lasting battery life: With a built-in large-capacity battery, the headset provides up to 25 hours of battery life, allowing you to enjoy music, calls and entertainment for a longer period of time without frequent charging, making your experience longer.