Panasonic Technics EAH-AZ100 Right ear only Color: Silver There are no operational issues, and the battery life is not a problem. The right earbud earpiece is included. It will be shipped after initialization, so please re-pair the left and right earbuds and configure other settings using the app (Technics Audio Connect) on your own. The condition is based on personal subjective evaluation, so please refer to the photos. Please consider purchasing only if you understand that this is a used item and can overlook minor imperfections. Shipping will be via Yu-packet Mini. #Since it is also listed on other sites, it may be out of stock.