In-ear/ear bud style headphones offer extreme portability and enhanced noise isolation Truly wireless design is powered by Bluetooth 5.4 technology for efficient wireless connection Adaptive active noise cancellation and 42dB Noise Reduction Depth effectively reduce surrounding noise for more immersive and distraction-free music experiences 10mm drivers provide rich audio experience Built-in mic lets you enjoy hands-free communication AI-powered calls significantly improve the quality of your phone conversations IP54 Sweatguard waterproof rating makes these earbuds suitable for workouts and improves durability Ten hours of music playback, and 45 hours of total play time provide great peace of mind Hidden cell phone holder offers improved convenience