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Overview and Specifications:

Product Attribute
Type : Wrist ball
Function : Comprehensive Fitness Exercise
Model Number : zq-1
Origin : CN(Origin)

1.ITSMART wrist force ball decompression new weapon, challenge power and beauty

2.Built-in automatic elastic device, one push and one release, you can easily start and control the force

3.Wrist ball speed and force output effect diagram, more force is required, more force is required