Purchased two years ago. Used approximately 20-30 times. Recommended care is once a week, for about 10 minutes or less, focusing on the cheeks (^^) ▼ Set Contents ・Main unit ・Instruction manual ・Charging cord ・Storage case The official serial number is on the instruction manual. Charging is possible with a USB cable, like the ones used for smartphones! Operation has been confirmed, and it works well. Output adjustment, LED lights up. There are no problems. The exterior, including the electrode surface, is clean. There's no noticeable sign of use. I cleaned it every time, so there's no stickiness from serums! I've also cleaned it before listing, so you can use it right away upon arrival (^^) Shipping method: Mercari delivery Shipping is planned within 1-2 days. I will carefully pack it to prevent damage. If you have any questions about operation or treatment methods, I will do my best to assist you, so please feel free to comment. Thank you for your consideration! Arrivo facial device Arrivo Ghost Miss Arrivo