Finger Flexion and Extension Trainer Style:75 lbs Product material: PVC+ABS

Product material: PVC+ABS

2 hours charging time can last up to 20-30 minutes

✅Reusable Design

making the crystal dull

funnel-shaped design for easy filling

Finger Flexion and Extension Trainer Style:75 lbs Product material: PVC+ABSUse the Finger Flexion Extension Exerciser to help anyone work, rest or play. Who needs hand yoga? Doctors, technicians, etc. require complex physical labor. Pianists, violinists and other musicians. Occupations such as office workers who often use computer keyboards. Rock climbing, ball sports enthusiasts Features Ergonomic DesignAdjustable finger exerciser can max the range of activities during exercise without consider the circumference of the