10-100Kg Adjustable Gripper Fitness Hand Exerciser Finger Strengthener Color:Black which means safer and more

which means safer and more efficient charging every time

Can also be used as a children's play mat

It easily combs

Battery capacity

and you can enjoy the magical effect

10-100Kg Adjustable Gripper Fitness Hand Exerciser Finger Strengthener Color:Black which means safer and moreFeature: Intelligent adjustable grip: Adjustable force. Mechanical counting. Comfortable handle. High strength spring. 10 100KG strength can be freely adjusted. Strong and durable: High strength bold spring is strong and durable. Electronic liquid crystal display: Electronic liquid crystal display, can be cleaned and reused. Strengthening hand strength: Strengthening hand strength to awaken physical vitality often helps to relieve sore muscles and