3 in 1 Electronic PowerGrip™

CERTIFIED BY A DOCTOR AND A PERSONAL TRAINER. 3 IN 1 Measuring Exercising Fitness Device Electronic Hand Dynamometer Digital Countable Hand Grip Strengthener Grip Trainer -5KG -90KG Grip Strength Tester Hand Grip Exerciser Auto Capturing Digital Hand Dynamometer -Builds forearm muscle & strengthens grip- Counts repetitions automatically- Large weight selection for all difficulties-Determines your grip strength with accuracy-Saves your progressAnd more...     Size: Chargeable: Measuring and Exercising 2 in 1: The electronic hand dynamometer provides both measuring mode and exercising mode 2 in 1, so you can buy 1 get 2 integrated functions of grip strength measurer and hand Bionics and Ergonomics: By adjusting the knob indicated in this image, all users of different ages can get a good grasping feeling by the comfortable handle under the design principle of bionics and ergonomics. The electronic hand dynamometer coming with multifunction can measure grip power, assess a