・ 【Authentic Product】 This is an authentic product purchased from Yodobashi Camera, a legitimate retailer. ※ Serial number: 15B15690. ・ Works well. You can use it comfortably, and both EMS and RF functions are in good condition without deterioration. ・ The purchase date is unknown. It was used for about a week and then stored in a dark place. Please refrain from purchasing if you are looking for a complete product or are very particular. The part that touches the skin is also in a clean condition. ・ It's more accurate to refer to the internet for information on performance. ・ No original box. The main unit and charger are provided. Everything in the photos is included. As it is stored by an individual, Please refrain from bidding if you are nervous or concerned about minor details. Please understand and accept this before bidding. Returns and exchanges are not accepted, so please bid only after you are satisfied.