Invisible earbuds are designed according to the shape of the ear, very small design style, very lightweight, fits the ear hook securely, suitable for long-term use, will not cause discomfort to the ear. You like to sleep with earbuds and don't like the feeling of foreign bodies in your ears when sleeping on your side, then these sleep plugs are the best for you. Sleep on your side without squeezing your ears, and the U-shaped rubber skin-friendly ear caps make the headphones 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 finger tap without taking out your phone. Everything becomes easier and easier SENSITIVITY-FREE TO WEAR These are the lightest earbuds, the size within 1 cm/0.4 inches which only weighs 0.08 oz per sleep earbud. It feels so light and natural that you barely notice its presence. DUAL NOISE CANCELLING TECHNOLOGY Excellent physical noise reduction combined with acoustic noise reduction technology, you can enjoy a peaceful sleep time with sleeping earbuds. Stay away from snoring and baby LONG BATTERY LIFE AND FAST CHARGING The sleeping earbuds are enough for 24 hours of listening to songs, and the stylish case can extend the use time to 480 hours, which means the case can provide 7 times for extra charging power for invisible earbuds. Micro fast charging, it only takes 10 minutes to charge and 91 minutes to listen to songs PREMIUM SOUND QUALITY AND SAFETY GUARANTEE This sleeping earbuds brings you high-quality sound enjoyment. Whale cavity 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. Easy and fast connection, enter the music world within 2 secondsSpecification: Bluetooth Version: 5.3Transmission Distance: about 15MSStandby Time480 HoursCharging Time: 1 HoursPlaytime with Case: 24 HoursSupport System: all devices and mobile phones that support BluetoothNotes:1. Please read the user manual carefully before use.2. If you receive a defective product or have any questions during use, please feel free to contact us. Packing List: 1 * Wireless Mini Earphones1 * USB Cable1 * User Manual