Thank you for viewing! I received this as a gift, but I'm selling it because I don't have a chance to use it. Relaxation Device Shoulder EMS Heat Neck Relax Neckband Relaxation Relax Ultra-lightweight Neck Warmer Cordless ★【16 Levels & 5 Modes】 You can choose from your favorite modes. You can switch modes by operating the buttons. Built-in overheat protection device, with a 15-minute automatic power-off function. ★【Easy to Carry Size & U-shaped Design】 Designed with a U-shaped fit, it won't slip off even when worn for a long time and is comfortable. Weight: Only 78g. Lightweight design, lighter than a book, so you can carry it around without being bulky. ★【Remote Control Function & Package Contents】 You can immediately experience comfort with remote control operation. It's more convenient than other companies' products that need to be removed for adjustment. Package contents: Packaging box, main unit, charging cable, Japanese instruction manual. Although it is new and unused, please purchase it after understanding that it has been stored at home.