- Extended Battery Life : The M51 comes with a powerful 500mAh charging case, providing nearly 80 hours of total music and call time. Each earpiece offers 15-20 hours of continuous use, ensuring you stay connected without frequent recharging. Choose between two charging methods for added convenience. - Advanced Noise Reduction : Experience crystal-clear calls with the dual-microphone noise cancellation technology. CVC8.0 and ENC work together to block 96% of background noise and eliminate echo, so you can communicate clearly in any environment. - Reliable Bluetooth 5.2 Technology : Enjoy fast and stable connections with the latest Bluetooth 5.2 technology, effective up to a 15-meter range. The M51 supports dual connections, allowing you to pair with two devices simultaneously, making it compatible with iOS, Android, Windows, and more. - Quick Mute Function : Protect your privacy with a simple press of a button to mute the microphone instantly. This feature allows you to maintain control over your conversations at all times. Use Scenarios : 1. Perfect for busy professionals who need to take calls while on the go, ensuring clear communication without distractions. 2. Ideal for students attending online classes, providing an immersive audio experience while minimizing background noise. 3. Great for fitness enthusiasts who want to enjoy uninterrupted music during workouts, thanks to the long battery life and secure fit. The M51 is designed for those who prioritize performance, convenience, and clarity in their audio experience.