These are SoundCore Liberty 4 wireless earbuds from Anker. This is the right earbud (R). The firmware is as shown in the image. The color is black. The case is not included. Alcohol cleaned. Power on, charging, pairing, and operation have been confirmed. Cleaned. Please note that this is only the earbud. ・All accessories are shown in the images. ・I have cleaned them as much as possible before listing, but they are still used items. Thank you for your understanding. Please feel free to comment if you have any questions. Thank you very much.