DESIGN & DETAILS: Improve muscle elasticity and roll out sore muscles more effectively with the power of vibration Go Vibe Technology combines the benefits of foam roller self massage with vibrating motion This targeted combo stimulates muscle blood-flow and offers an added dimension to muscle relaxation and flexibility With four graduated vibration settings and AC- rechargeable power, the GoFit Go Vibe Vibrating Massage Roller provides the most advanced massage technology available—at home or on the go Dimensions: 6" dia. x 12" length FEATURES: Power button— On: Press, hold 3-seconds Off: Press and release Auto shut-off after 15 minutes—This prevents over-heating. Allow unit to rest in off position for at least 30 minutes before using again. Indicator lights: Red light indicates power is on Blue lights indicate vibration level Vibration control button—Press consecutively for four graduated vibration levels Port for AC recharging adapter—Charge for approximately four hours before initial use Dense, durable closed cell foam—Optimal for massaging deep muscle tissue Variegated groove pattern— 4mm-deep grooves promote blood flow to muscles and help target trigger point release INCLUDES: 12" Go Vibe Vibrating Massage Roller AC Recharging Cord Training Manual