When the feet lack circulation they can become swollen,cold,and start to cramp.The feet or legs can gather fluid from slow blood flow and as a result,they appear swollen and puffy.The Massager is proven to improve local circulation,which allows blood from the feet to flow upwards and as a result,helps to reduce swelling. Through low frequency pulse (EPS/EMS) heat conduction technology,stimulate the muscles of feet and calves,promote blood circulation and relax the feet. This allows for a variety of therapeutic sensations,which have a massage-like feel,that can relieve aches after a day of putting constant weight on your feet.The Circulation Promoter includes additional electrode pads that can be placed directly onto painful areas of the feet,ankles,or calves to relieve aches and pains. More than just a foot massager,it is different from ordinary kneading,shiatsu massage and vibrating foot massager.This is through low-frequency pulse (EMS) technology,which stimulates the muscles of the soles of the feet and calves,promotes blood circulation,relaxes the feet,and reduces fatigue.Soft and Comfortable Yoga Mat Material Footpad.Skin-friendly Silver Ion Circuit Printing.Heat Conduction Technology Using Rare Earth Materials.Separate mainframe,footpads can be cleaned with wet cloth. Using advanced technology,scientifically exercising your muscles will not harm your body.Choice 6 different training modes,and it will get off power automatically after 12 minutes from stop when you forget power off. Description: Product style: USB Charging Version,Battery Version(not include battery) Product size: 34*33*0.5cm Material: PU Leather Color: Black Functions: Plantar Physiotherapy,Massage,Stimulating Acupoint.Relieve Pain and Fatigue 6 Modes: Massage + Kneading,Pound and Press,Massage,Kneading,Press,Thump Notice: 1.Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before your purchase. 2.The colors may have different as the difference display,pls understand. 3.Please leaving a message before you give the bad feedback,if the products have some problems. Packing list: 1 X Foot Massager 1 X manual