Used at an exhibition! This is a pelvic floor muscle training chair! It has a very luxurious feel! It's an electromagnetic pulse chair that trains your pelvic floor muscles instead of regular muscle training. It can be shipped the same day! Magnetic vibration intensity: 7 Tesla Output voltage & frequency: 110～240V 50Hz/60 Output power: 300W～5000W Output frequency: 3～200Hz Stimulation depth: 7～12cm 【Set Contents】 Machine body Power cord: 1 Japanese instruction manual Support contact Warranty: 3-month warranty on the main unit Please feel free to ask any questions you may have♪ ★Please be careful of discounted refurbished products and inferior imitations★ ★We offer thorough domestic after-sales support thanks to our long-standing experience and being an authorized dealer, so you can rest assured. ★Each unit undergoes thorough inspection by an engineer before shipping, and then we arrange for shipping and delivery.