⭐️ Brand New, Unused ⭐️ Free Shipping ⭐️ Anonymous Delivery ❤️ Bundle Discount Available ❤️ Please inquire! 1. 【Industry-Leading Bluetooth 5.3 Technology & Automatic Connection Upon Opening】 The "M52-ENC" Bluetooth earphones use a hall switch. When connecting for the first time, open the charging case (or take out the earbuds), search for "M52-ENC" in your smartphone's Bluetooth settings and click to connect. No need to take the earphones out. After connecting manually for the first time, the earphones will automatically power on and connect when you open the lid the next time, in just one step. This provides a more comfortable user experience than other earphones with the same specifications. 2. 【Up to 60 Hours of Playback & Clear LED Display】 With a 500mAh large-capacity battery and an energy-saving design, the earphones can play for 5-6 hours on a single charge, and up to 55 hours with the charging case (playback time varies depending on volume, content, and usage environment). The design also includes an easy-to-read LED display, allowing you to check the charging status of both left and right earphones, and clearly displaying the remaining charge of the charging case from 1% to 100%. 3. 【High-Quality Sound Equivalent to ENC Noise Cancellation & Comfortable Fit】 These wireless earphones maintain a compact size while significantly improving functionality and sound quality. You can hear the details of musical instruments, and enjoy the mid-high and low frequencies dynamically. Especially at 50% volume, you can feel the depth and impact of the bass. This provides a high-quality calling experience. Perfect for online courses and meetings! Enjoy a clear call experience like never before. 4. 【Touch Sensor, Easy Operation, and Excellent Fit】 With a single touch, you can easily control music playback/pause/skip forward/skip backward/answer/reject calls/SIRI (voice guidance), etc. You can do everything with a single finger without taking out your smartphone, even when you're busy with online meetings, driving, housework, or delivering packages. 5. 【Fast Type-C Charging & Peace of Mind with Water Resistance】 Equipped with IPX7 waterproof performance, these earphones are splash-proof and sweat-resistant, so you can use them with confidence even in sudden rain or sweat from intense exercise. Suitable for all weather conditions.