Vibrating Roller, Rechargeable Lightweight Massage Roller with Multiple Vibrating Speeds. Three speeds intensity levels from 1900-3900rpm with pulsating massage feature. Rechargeable battery, up to four hours of battery life. Included USB-C charging cable. Good for elevating workouts, promoting relaxation and faster muscle recovery, and relieving pain or joint inflammation. Lightweight design, quiet motor, and powerful massages. Textured massage surface for deep tissue massage and trigger point therapy.