Panasonic Technics EAH-AZ100 Left ear only Color: Black Includes one unused ear tip of each size (cardboard backing not included) No operational issues, and the battery life is not a problem. Will ship after initialization, so please re-pair the left and right sides and configure other settings using the app (Technics Audio Connect). The condition is based on personal subjective assessment, 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.