Features of the Pulseroll Vibrating Peanut Massage Ball New improved design and motor Ultra-portable relief, wherever life takes you 4 vibration levels Average battery life 3 hours Remote control to change vibration speed 1-year warranty Discover the benefits of using Pulseroll\'s next-generation training and recovery technology 3-hour rechargeable battery Portable and lightweight Reduce next day soreness Increase blood flow Save money on physio visits Reduce muscular pain 4 vibration speed settings Approved by physios and pro athletes Rapid training recovery Flush away lactic acid Release knots and tension Faster recovery from injury