Auto-Start Wrist Power Gyro Ball with LED Lights, Wrist Strengthener and Forearm

GOOD FOR HEALTHEfficiently rehabilitates wrist pain, humerus fracture, scaphoid fracture, radial head fracture, numbness in fingers, numb hands, fractured wrist, elbow tendonitis, broken bones, olecranon bursitis. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders.NEW DESIGN WITH LEDNovelty design with LED lights, which is fun to see how fast you can get it spinning. Cool LED lights inside will light up while spinning, no battery needed, powered by rotating the wrist. Rehabilitates sore muscles, Kill the time & Add fun!EASY TO USECompare with the old version need to start with string,our upgraded version is auto-start design which is simple to start by rotating the wrist.HIGH QUALITY The unit did not have any weird vibration to it. Also having the silicone grip section is very nice as it helps with the gyro ball not coming loose from your hand.SUITABLE FOR SPORTS TRAINING Highly beneficial grip strength trainer for golf, tennis, climbing, cycling, basketball, cricket, martial arts and with improved playing performance for pianists, drummers & guitarists.