Ergonomically designed to target those smaller problem areas, and relieve daily aches, the Pulseroll Vibrating Peanut Roller should be used both pre and post training sessions or races to improve performance, recovery and flexibility. Designed to be used for myofascial release and trigger point therapy, it\\\'s shape fits comfortably around the muscles to hit target areas. The Pulseroll Peanut can be used on any part of the body, but is especially good for use on the lower back, glutes, calves and feet, meaning it is the perfect training aid for any cyclist, runner or triathlete. Specifications > 4 speeds: (3 active speeds and 1 pulse mode) > Battery Life: Up to 6 hours > Battery type: Rechargeable, built-in, 7.2 Lithium-ion (2600 mAh) What\\\'s included? > Pulseroll Vibrating Peanut Roller > Thumb remote control > Handy Carry Bag > Charger > User manual > Warranty card