Item Type: Grip Strength Trainer Material: PP, Plastic, Steel Package List 1 x Grip Strength Trainer 1 x Gloves With built in battery 1STRENGTH ENHANCEMENT: Grip strength trainer can significantly enhance hand muscles and strength after long term use, improve grip strength and finger strength. 2REHABILITATION TRAINER: Hand grip strength trainer is suitable for hand rehabilitation training, such as arthritis, post traumatic finger injury convalescence and through the period of incapacitation. 3PORTABLE DESIGN: Electronic grip strength trainer is small and lightweight, easy to carry around, exercise anytime and anywhere, no need for special venues or equipment. 4MULTIFUNCTIONAL: In addition to finger and grip strength training, Electronic hand grip strengthener can also be used for arm strength exercise, helping to build strong and powerful arm muscles. 5DURABLE MATERIAL: Forearm exerciser is made of premium and durable material, which ensures the product is not easy to be damaged in long term use and has a good using experience.