1 x Power Adapter [4 Respiratory Airbag]Inflates and deflates according to the time cycle of the airbag 188.8.131.52. Constantly changes the pressure point of the limb. Treatment to prevent venous thrombosis. [360° Comprehensive Leg Massage]Air pressure repeatedly inflates and deflates with the air pump to achieve the squeezing massage effect. Helps treat varicose veins, Knee pads help relieve pain in the knee joints. [Super Quiet Compressor]The noise is a nightmare for most of patients. This unit is designed with super quiet compressor. So it can release even power but with lowest sound. The body feels more easy and comfortable, excellently quiet.Time setting function: time setting for massaging from 0-30 minutes.Adjustable pressure: Adjustable pressure as user’s wish. [The Perfect Gift For A Loved One]The air compression leg massager can help save your friends and family a lot of money and time by allowing them to enjoy their own private massage whenever they want without having to go to the massage department , making it the perfect gift for family and friends of friends.