Feature 1Multifunctional Design: This massager is multifunctional and can be used for both the waist as well as the abdomen to relieve discomfort. 2Far Infrared Physical Therapy Technology: This massager uses farinfrared physical therapy technology to quickly heat up and provide hot packs for uncomfortable areas of the body, relieving muscle fatigue and pain. 3Vibration Massage: This massager has a built in vibration massage device with multiple vibration modes that you can adjust according to your needs and preferences. 4Adjustable Size: The size of this massager belt is adjustable, you can adjust it according to the part and size you want to use. 5Excellent Plastic Material: This massager is made of excellent plastic material, which is sturdy and wear resistant, conducts heat well and has a long service life.Item Type: Vibration Heat MassagerMaterial: PlasticBattery Type: Lithium Battery 600mah ( Shipped With Built In Battery ) .Package List: 1 x Belt Massager1 x USB Cable1 x Manual