Price updated! Please refrain from price negotiations for this item. Instant purchase is OK! These slim earphones are perfect for sleeping with them in or taking off clothes with them on♪ They fit comfortably in your ears, so they won't hurt even if you sleep on your side♪ *Individual results may vary depending on the shape of your ears. Product: Bluetooth 5.3 Wireless Earphones Slim Condition: Brand new Color: Black Size: Free size Product Description Version: Bluetooth 5.3 Communication distance: Up to about 10m (Varies depending on the usage environment) Charging time: Up to about 1 hour Continuous playback time (with charging case): About 24 hours Waterproof level: IPX5 Charging type: Type-C Pairing method: 1) Turn on Bluetooth on your smartphone. 2) When you take the earphones out of the charging case, they will automatically turn on and enter pairing mode. 3) Open the Bluetooth settings screen on your smartphone and tap "MD538" or "MD" when it appears in the device list. Connection is complete when "Connected" is displayed. *After the initial setup, the earphones will automatically connect just by taking them out of the case. ★ The curved surface is designed to fit the shape of your ears, providing a natural fit as if they were integrated with your ears, and your ears won't hurt even after wearing them for a long time. ★ Excellent design, perfect for gifts. Notes: *Please note that the color may differ slightly from the actual product depending on your monitor environment. *We check the condition of the product before shipping, but there may be color unevenness or minor scratches, so please refrain from purchasing if you are sensitive to these issues. *There may be dents in the outer box. Please purchase only if you understand this. *Other products shown in the photos are not included. *If there is any damage or defects, please contact us before evaluating the product, and we will do our best to assist you. *Returns due to the buyer's circumstances, such as "it's different from what I expected," are not accepted. #Bluetooth5.3 #SleepPhones #ForSleep #Wireless #Earphones #Bluetooth5.3 #Slim #HiddenInEar #WhileSleeping #HighSoundQuality #Bluetooth #Waterproof #LED #Display #Black