Shipping within 24 hours after payment is confirmed. * Pre-inspection and alcohol disinfection performed. * Re-pairing instructions will be provided upon shipment. * Returns and refunds are available for initial defects. Please consider this if you are having trouble with a malfunction or loss. ■ Product Earfun Air Pro 4 Right earphone only ■ Operation Check Details The following operations have been confirmed to be working correctly: ・Charging with the original charging case ・Bluetooth connection with Android smartphones and connection with the dedicated app ・Audio output via smartphone music playback → Left it for 2 hours, and confirmed that the audio output continued after 2 hours. ・Tap operation of the earphones ■ Condition There are no noticeable stains or scratches, and it is in good condition. Please also check the condition in the photos as there may be individual differences. ■ Shipping Shipping will be done within 24 hours of payment. After alcohol disinfection, it will be wrapped in bubble wrap and a plastic bag to prevent damage and water damage before shipping. ■ Returns and Refunds If there is an initial defect regarding the operation-checked content, we will accept returns and refunds, so please contact us without rating the product. Please note that the buyer is responsible for the return shipping costs. ■ Used Goods Dealer License Used Goods Dealer Permit Chiba Prefectural Public Safety Commission No. 441120001436