LED Gyroscopic Powerball

SPECIFICATIONS   Brand Name: YangChen   Type: Wrist ball Type of sports: Strength Training Training Site: ARMS Training Site: Hand Training Site: Wrist Function: ARMS Model Number: OUT180 Material: PC, aluminum alloy, silicone rubber Great for: men, women Characteristics: dexterity and endurance playing guitar, piano and sax Suitable for1: home workouts,crossfit, exercise,tennis,cycling and rock climbing Size: 5.5cm*7cm Features: Stainless steel chrome-plated housing Type: wrist ball Name: Powerball Wrist Ball Trainer LED Gyroscope Suitable for: multifunctional gym, tennis, squash, cycling and rock climbing Feature: Family Training   Features: Exercise with powerball is completely equidistant, so it can complement any training method. Powerball exercises the arms in a way that conventional isotonic (free weight) exercise training cannot achieve, and it can absorb a higher percentage of muscle fibers in a shorter time. If you want to improve your wrist, grip