Technics Wireless Stereo In-Ear Headphones EAH-AZ40 Technics I purchased these at an electronics retailer, but I'm selling them because I haven't used them much. Power-on check: Confirmed (Not all functions have been checked.) Accessories: Everything in the photos. High-quality sound and clear calls in a compact true wireless earphone! Equipped with a unique acoustic structure "Acoustic Control Chamber" and "Harmonizer." The acoustic structure and driver are integrated. ・High-quality design with a focus on fit ・Supports multi-point function ・Unique call voice processing technology Brand: Technics Color: Black *Please note that there may be oversights due to amateur inspection. Please understand that this is a used item before purchasing. If you have any questions, please feel free to ask.