Vibrating Foam Roller 4 Intensities Rechargeable Electric EPP Foam Roller User-Friendly Charging Design Convenient to Use Built to Last Bigger Surface, Better Massage Dual Massage Action Feels Like a Real Massage Product Weight (Include All Accessories): 2 lbs/890 g,Battery Capacity: Built-In Lithium Battery,Power Cord: USB to Type C,Capacity: 2200mAh,Item Model Number: HY-5002,Vibration Function: 4 Vibration Intensities,Product Dimensions: Φ6 x 16 in / Φ146 x 400 mm,Main Material: EPP,Timer Function: 15-Minute Auto Shut-off