I am selling this item because I used it once, but it didn't suit my body. Includes box, instruction manual, and AC adapter. How about it for your tired body? - Brand: DOCTOR AIR - Model Name: 3D Air Stretch Mat - Color: Brown 〈Specifications〉 ・Vibration Frequency Weak: Approximately 2,300 times/min Medium: Approximately 3,500 times/min Strong: Approximately 4,800 times/min ・Dimensions Width 500 × Height 130 × Depth 900mm (when the headrest is folded) Width 500 × Height 88 × Depth 1020mm (when the headrest is extended) ・Weight Approximately 2.4kg (body only) ・Maximum Load Capacity 100kg