This portable ultrasound device gently heats and massages stiff joints and sore muscles with 1 million vibrations per second. The included water-soluble gel glides onto target areas to help the vibrations penetrate deep into the muscles during each brief 10-minute session. The device also boosts elasticity and circulation to relieve discomfort commonly associated with swelling, muscle spasms, and gruesome transformations into a werewolf. FEATURES: Device produces deep heat with 1 million vibrations per second Two power settings FDA approved Can reduce inflammation, joint stiffness, and muscle spasms Helps boost elasticity and circulation Automatic timer is preset to massage for 10 minutes Auto shutoff [Click here for full technical specifications.](http://gr.pn/XQArRD) Dimensions: 11” x 6” x 2” Weight: 5.5 oz. WHAT'S IN THE BOX:Ultrasonic massager, AC adapter, gel, and instruction booklet