・ONKYO Bluetooth earphones IE-CM5TW(B). ・I bought them new, and about a month later I dropped the left earbud, and it stopped turning on. 　It doesn't click when I press the button. 　Although the button cannot be pressed, it can be charged. ・Before listing, I confirmed pairing and sound output on the right earbud only, but I haven't measured the exact battery life. ・I only used them a few times during my commute, probably less than 10 times in total. ・I have thoroughly cleaned them with alcohol wipes before listing. ・Comes with the original box and instruction manual. ・The acrylic case for the charger is the one that came with it. 　It's a case to prevent scratches on the main unit, so there are some scratches on the surface from carrying it around. This is a junk item. Please understand that it is not a working product. No returns accepted.