LED Gyroball Wrist Power Hand Ball Self-starting Gyro ball 2000kg Powerball Arm Hand Muscle Force Trainer Exercise Strengthener

SPECIFICATIONSType of sports: Strength TrainingType: Wrist ballType: Wrist ExerciserTraining Site: Hand,WristSuitable for: home workouts,crossfit, exercise,tennis,cycling and rock climbing,Multifunctional gym, tennis, squash, cycling and rock climbingSize: 5.5cm*7cmOrigin: Mainland ChinaModel Number: Wrist ballMaterial: PC, aluminum alloy, silicone rubberGreat for: Men, womenFunction: Muscle Relex ApparatusFeatures: Stainless steel chrome-plated housingFeature: Family TrainingCharacteristics: Dexterity and endurance playing guitar, piano and sax