*CORDLESS & RECHARGEABLE - The internal rechargeable lithium-ion battery offers you about 2 hours of wireless massage experience after 3-4hours charging. A great choice to get rid of the wire tangle and do not worry the short cable.*3D SHIATSU MASSAGER BALL & HEAT FUNCTION: 3D shiatsu massage balls kneading deeply in all areas of your body, relaxing your tired and aching muscles. Optional heating function transfers warmth to muscles for relieving fatigue and tightness and improving blood circulation.*SPEED & DIRECTION CONTROL - Fast and slow speed to choose for suitable pressure; automatically mode changes direction and speed in every few minutes provides mimic human massage. You can also change the direction and speed by one-button control.*LONGER FLEXIBLE STRAPS: Easy to put your hands on the straps, which makes you relax during work or household period. Achieve massage on your desired areas by simply pulling the straps, which makes it possible for your heated massager to be used at feet and calf.*SAFE GUARANTE: It is recommended to use the massager 15 minute each time. Our product will closed automatically after 15 minutes with the safety of the overheating protection device.*Waist and Back, Longer Straps and Rechargeable Battery, Deep-Kneading for Travel Home Office Use