Features1HIGH STRENGTH: High strength vibration helps to penetrate deep into the muscles, effectively relieving plantar fasciitis, tension, myofascial release and trigger point therapy. 2PORTABLE: Massage silent not noisy volume is small and easy to carry, you can put it in your bag anytime, anywhere to take out the massage, where you can enjoy the muscle relaxation. 3PARTS OF APPLICATION: This high strength can effective muscle massage fascial ball relieves your back, hips, legs, arms, lower back and feet. 4SPECIAL DESIGN: For relieving muscle tension and exercise soreness, specially designed textured surface, massage ball physiotherapy is a powerful tool in massage. 5TPE MATERIAL: this training fascia ball, can effectively relieve body fatigue, using TPE soft and delicate material, safe and wear resistant.SpecificationItem Type: Electric fascia ballMaterial: TPEBattery Specifications: 3 Button batteries, model LR44, 3 x capacity 158mah, a total of 474mah (with built in battery delivery)Uses: Relief of the whole body muscle point to point stimulation, precise massage muscle pain pointsPackage List1 x Myofascial Ball 1 x Massage Head