The Walgreen Vibrating Massage Ball can be used anywhere on the body and is most commonly used to treat areas like the lower/upper back, shoulder blades, quads, hamstrings, IT band, glutes, hips and feet. Features: Ergonomic Design, Rechargeable Targeted vibration therapy to ...The Walgreen Vibrating Massage Ball can be used anywhere on the body and is most commonly used to treat areas like the lower/upper back, shoulder blades, quads, hamstrings, IT band, glutes, hips and feet. Features: Ergonomic Design, Rechargeable Targeted vibration therapy to increase range of motion, flexibility & circulation Relax tight muscles 5 Level of vibration intensity Made in China