Used only once. Product Name: Ebiden Smart Neck Kiwami Manufacturer's Suggested Retail Price: ¥14,300 Type: Home-use EMS device Model Number: HL-SK53 Body Size: Approximately W127 x D154 x H34mm Weight: Approximately 126g (body only) Power Source: Built-in lithium-ion rechargeable battery Input Terminal: USB Type-C (for charging) Input Rating: 5V - 1A Charging Time: Approximately 3 hours Materials: Body, USB cable, instruction manual (with warranty) Set Contents: ABS, stainless steel, silicone A neck EMS combining four functions: "EMS, heat, sonic vibration, and LED." The Smart Neck Kiwami is a product developed as an EMS exercise device to target the muscles around the neck and shoulders, which are easily strained on a daily basis. By combining medium-frequency EMS muscle stimulation, physical vibration from a motor, red LED, and intuitive warmth from a heater, the device achieves a three-dimensional and gentle user experience. It allows for easy care in 15 minutes per session and weighs approximately 126g, making it lightweight, yet it is a high-end model of a neck EMS device equipped with comprehensive functions.