Invisible earbuds are designed according to the shape of the ear, very mini design style, very light, fit securely into the ear hook, suitable for long-term wear, will not cause ear discomfort. Very mini and invisible design of the earbuds, if you like to sleep with earbuds and don't like the feeling of foreign objects in your ears when sleeping on your side, then these sleep earplugs are best for you. Sleep on your side without squeezing your ears, and the U-shaped skin-friendly rubber ear caps make the earphones fit your ears all night. These hidden earbuds for work are very easy to use. With a built-in microphone, you can easily switch between pausing music, answering calls, rejecting calls, or tracking music with a fingertip without taking out your phone. Everything becomes easier and easier. FEEL-FREE TO WEAR. These are the lightest earbuds, size within 1cm/0.4inch and weighing only 0.08oz per sleep earbud. It feels so light and natural that you barely notice its presence. DUAL NOISE REDUCTION TECHNOLOGY. Excellent physical noise reduction combined with acoustic noise reduction technology, you can enjoy a quiet sleep time with sleeping earbuds. Stay away from snoring and baby sounds. 24H LONG BATTERY LIFE & FAST CHARGING. The sleep earbuds last for 24 hours for listening to songs, and the stylish charging case can extend the usage time to 480 hours, meaning the charging case can provide 7 times extra charging power for invisible earbuds. Micro fast charging, it takes only 10 minutes to charge and 91 minutes to listen to songs. PREMIUM SOUND QUALITY & SAFETY GUARANTEE. These sleeping earbuds provide you with high-quality audio enjoyment. Valhalla stereo surround sound, immersive music enjoyment. The perfect sleep companion. If you encounter any problem during use, please contact us, we will solve it for you within 25 hours. Bluetooth 5.3 and Fast Connection. High-quality 5. Bluetooth chipset invisible bluetooth earbuds provide high-speed and stable connection, stronger signal, faster connection speed, compatible with almost all Bluetooth-enabled devices, up to 15 meters away. Simple and fast connection, enter the music world within 2 seconds. Specification: Bluetooth version: 5.3. Transmission distance: about 15M. Standby time 480 hours. Charging time: 1 hour. Playback time with charging case: 24 hours. Supported systems: all devices and mobile phones that support Bluetooth. Notes: 1. Please read the user manual carefully before use. 2. If you receive a defective product or have any questions during use, please contact us. Packing list: 1 * Wireless Mini Earbuds 1 * USB Cable 1 * User Manual