Mini and Small: The wireless invisible earbuds are comfortable and stress-free, and ear buds weigh merely 0.1 oz, ideal for small ear canals. When you're wearing hidden earbuds at work, it's invisible and hardly noticeable

Designed for Sleeping: If you need to listen to music while sleeping, this Invisible mini earbuds is a good choice for you. This sleep headphones improves the comfort design, does not feel foreign body when sleeping on the side, and fits the ear better

Bluetooth 5.3 & Clear Calls: Excellent physical noise reduction combined with acoustic noise cancellation technology, the microphone of the sleeping earphones can also reduce noise in noisy environments, just like talking face to face, the call is clear.

Up to 24 Hours Battery Life & Fast Charging: The invisible ear buds battery lasts for 4h, the case battery lasts for 20h, and the small earbuds provides all-day audio. When you need more power, you can quickly recharge the charging case in an hour

How to Pair and Disconnect Bluetooth: When the mini earbuds are removed from the charging case, it will be automatically turned on. When the red and blue lights alternately flash, it will enter the pairing state. Go to the Bluetooth setting interface of the device and click "SK19" to complete the pairing. When pairing a new Bluetooth device, you need to disconnect the previous Bluetooth device

Common Issues - Inability to Charge: 1. Clean the dust inside the USB-C interface with a dry soft-bristled brush or compressed air. 2. You can use a cotton swab dipped in a small amount of clean water to gently wipe the metal contacts of the invisible earbuds (wait until they are completely dry before using)