Vibrating foam roller composed of high-density EVA Foam to replicate the feeling of a massage therapist’s hands, which helps channel blood, improve oxygen flow, and heal tissueFeatures 4-speed vibration technology for customizable pain relief and muscle relaxation; minimal noise while in useThe surface pattern replicates the feeling of a massage therapist’s hands, helping to relieve tight muscles and enhance recoveryWrapped in durable EVA foam, the roller is firmer than traditional foam rollers and easy to wipe cleanIncludes a rechargeable battery; the cordless and compact design ideal for travelMeasures 12" x 3.5" and weighs 2.5 lbs.; rechargeable battery can last up to two hours; AC charger included; 1-year manufacturer's warranty