Fitness Power Trainer Ball Self-starting Gyro ball Power ball Arm Hand Muscle Force Fitness Exercise Equipment Strengthener

SPECIFICATIONS   Brand Name: NoEnName_Null   Type: Wrist ball Type of sports: Strength Training Training Site: ARMS Training Site: Muscle Relex Apparatus Training Site: hand Training Site: Wrist Training Site: CORE Training Site: other Function: ARMS Model Number: OUT204 Feature1: Gyroscopic Feature2: Fitness Exercise Equipment Feature3: Arm Hand Forearm Exerciser Feature4: Self-starting Gyro Ball Choice: yes   Feature1、Automatic start design, need to push the core in the direction of the arrow, start by the internal spring, very easy and convenient.2、When it rotates, the cool colored lights inside will light up. It can kill time and add fun while restoring muscle soreness.3、Without any strange vibrations, it can rotate for a long time without worrying about it stopping when moving.4、The convenient design can be carried anywhere, whether in the office, gym or at home, it can be used as a toy to decompress at any time, and it can also exercise arm muscles.5、Wrist ball