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Magnetic dumbbell / sports

Magnetic dumbbell
Magnetic dumbbell

This is a portable dumbbell which can be controlled by adjusting the current to change the magnetic force.It also change the inconvenient way of traditional dumbbell.You only need to use your thumb to slide the adjustment rings so that you can control the magnetic force by yoursell,as well as the weight of dumbbell.It can provide different weights of dumbbell to you and make your life convetient.

University

Shenzhen Technician College

Shenzhen Technician College
shenzhen, China

hongbin xu,
Shenzhen Technician College

quanfa wang,
Shenzhen Technician College