The Pulseroll Vibrating Foam Roller is the next generation of foam roller and the first of it's type in the UK. The combination of pressure and vibration helps to reduce muscle tightness, increase flexibility and reduce next day soreness after your training session, as well as bringing relief to ease off longstanding muscular pain such as lower back and shoulders. 4 levels of power from 1300-3700RPM. Lithium-ion Battery with up to 240 minutes of battery life. Product Size 32x15x15cm. Product Weight 850 grams. Package Size 38x16x16cm. Package Weight 1350 grams. Includes a 1 year warranty, bag and charger.