About this item Mini and Small: The wireless invisible earbuds are comfortable and stress-free, weighing merely 0.1 oz, making them ideal for small ear canals. When wearing these hidden earbuds at work, they are 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. Their comfort design ensures that you won't feel any discomfort while sleeping on your side, providing a better fit. Bluetooth 5.3 & Clear Calls: With excellent physical noise reduction combined with acoustic noise cancellation technology, the microphone of these sleeping earphones effectively reduces noise in loud environments, allowing for clear calls as if talking face to face. Up to 24 Hours Battery Life & Fast Charging: The invisible earbuds have a battery life of 4 hours, while the case provides an additional 20 hours of power, ensuring all-day audio enjoyment. When you need more power, the charging case can be q