About this item Mini and Small: The wireless invisible earbuds are comfortable and stress-free, weighing merely 0.1 oz, ideal for small ear canals. When wearing hidden earbuds at work, they're virtually invisible and hardly noticeable. Designed for Sleeping: If you need to listen to music while sleeping, these invisible mini earbuds are a great choice. The comfort design improves usability when sleeping on your side, ensuring a snug fit without feeling intrusive. Bluetooth 5.3 & Clear Calls: Excellent physical noise reduction combined with acoustic noise cancellation technology allows the microphone to reduce noise in loud environments, ensuring clear calls as if talking face to face. Up to 24 Hours Battery Life & Fast Charging: The battery lasts for 4 hours on the earbuds, with the charging case providing an additional 20 hours of use, delivering all-day audio. It can also be quickly recharged in an hour. Premium Sound Quality: These sleeping earbuds offer high-quality audio enjoyment