This chair is a hot topic recently, helping with muscle building, strength training, and also training the pelvic floor muscles. Its use is increasing in beauty salons. It's also GOOD to combine it with cavitation, radio frequency, etc. If you want other colors, please comment ☆ Warranty: 1-year warranty on the main unit 3-month warranty on parts (Additional purchases can be made here) Expert repair engineers are on staff (I am also a mechanic-trained engineer!) ※ The design is constantly updated, and changes are possible. ※ Please be very careful as many people contact us saying "I can't contact the seller after I bought it." Also, beauty equipment can lead to problems if used incorrectly, so make sure to choose a seller who has sufficient knowledge. Please feel free to ask any questions! ※ Cardboard boxes may rarely have minor scratches or dents during shipping. Please refrain from purchasing if you are sensitive to this. ※ This product is currently in stock. However, as it is also listed elsewhere, it may take 1 to 2 weeks if it sells out. Please comment in advance if you are in a hurry. Please consult with us in advance if you don't have much time ☆