EarFun Air Pro ○ Working Item ○ Earphones This is an auction for the main unit only. I have performed a simple cleaning and confirmed the operation. I have confirmed charging and sound output from both left and right sides, and the battery can play for a long time without any problems. You can use the app to customize the settings to your liking. Thank you for your consideration. ■Other■ This is a sale of the actual item, so we kindly ask that those who are sensitive to scratches or stains refrain from purchasing. ※ If you experience issues such as the inability to charge or no sound within one week of receiving the product, we will accept returns. However, the return shipping costs and listing fees will be the responsibility of the customer. Thank you for your understanding. ※ In the event of damage due to drops or water submersion, please arrange for repairs at your own expense. Thank you for viewing.