Costnzo AuspicLC BL39 Wireless Earbud

Costnzo Sleep Earbuds: 1. Innovative sleep mode: can switch freely between sleep mode and music mode 2. Comfortable side lying: Ergonomic design, perfectly fits the ear canal, and does not press the ear when sleeping on the side 3. Not in ear: Compared to traditional in ear headphones, it is far away from the ear canal and can be used for a long time without itching or pain, avoiding ear damage caused by headphones 4. The low battery warning sound has been cancelled: According to some users' feedback, the low battery warning sound may cause them to wake up in the middle of the night. So we specifically cancelled the low battery warning sound. If there are any better suggestions, we will make timely improvements