Holiday_GripTrainer

Grip training recorder-provides sound-guided training, follow the ticking sound, and hold the good music ball on both hands at the same time!
It can promote the secretion of NO (nitric oxide) from vascular endothelial cells. NO is an indispensable substance for improving blood flow. NO will act on the smooth muscle cells of the vascular media to relieve tension and expand blood vessels! If the amount of NO secreted is sufficient, the blood vessels will appear soft and elastic.
The Grip Training Recorder provides a complete training record, you can review your training results, and you can also share it with your friends and relatives to motivate each other!
Provide user settings, users can set customized training goals based on their personal information!