Product: EarFun Air Pro 3 Charging Case Only Model: For TW500 Color: Off-white (I think) - I confirmed with a tester that the charging voltage is output from the left and right charging terminals, and confirmed charging with the actual device. - Earphone Reset Confirmation: I confirmed that the earphones can be reset by inserting both earphones into the charging case, opening the charging case, and pressing and holding the case button for 8 seconds or more, which causes both earphones to flash purple. - Used item (usage time unknown). - No accessories included. - Battery life is unknown. ⭕ Please refrain from price negotiations. - Shipping method will be Yu-Packet Post or Mini-bin. - EarFun releases many different models, so please make sure to check the model number of your earphones before purchasing. Cancellations due to incorrect model numbers after shipping are not possible. - To ensure a smooth transaction, we only accept purchases from those who have a mailbox at their home. If you plan to use convenience store pickup or have the delivery delayed by holding it at the post office, please let us know in advance by commenting before purchasing. - Please carefully review the product photos and description, and we only ask that you purchase if you are satisfied.