Price updated! Please refrain from price negotiations for this item. Instant purchase OK! These are slim earphones, so you can sleep or change clothes while wearing them♪ The shape comfortably fits your ears, so they are less likely to hurt even when sleeping on your side♪ *Individual results may vary depending on the shape of your ears. Product: Bluetooth 5.3 Wireless Earphones - Slim Condition: Brand new, unused Color: Black Size: Free size Product Description Version: Bluetooth 5.3 Communication distance: Up to approximately 10m (Varies depending on the usage environment) Charging time: Approximately 1 hour Continuous playback time (with charging case): Approximately 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 on "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 when you take them out of the case. ★ The curved surface is designed to fit the shape of your ears, providing a natural fit as if they are integrated with your ears, and your ears won't hurt even after wearing them for a long time. ★ Excellent design, perfect for gifts. Notes: * Colors may appear slightly different from the actual product depending on your monitor. Please understand. * We check the condition of the product before shipping, but there may be color unevenness or minor scratches. Please refrain from purchasing if you are sensitive to these details. * There may be dents in the outer box. Please purchase only if you can accept this. * Other items shown in the photos are not included. * If there are any damages or defects, please contact us before evaluating the product, and we will do our best to assist you. * Returns due to buyer's circumstances, such as "different from what I expected," are not accepted. #SleepPhones #ForSleep #Wireless #Earphones #Bluetooth5.3 #Slim #HiddenInEar #WhileSleeping #HighSoundQuality #Bluetooth #Waterproof #LED #Display #Black