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Piano Electronic keyboard Hand Finger Exerciser Tension Training Trainer Blue
A professional piano finger exerciser, which is needed for beginners.
Correct the wrong hand postures and avoid finger slump.
The tension of keys is close to that of real piano keys.
Rotatable keys and you can activate and inactivate the keys.
You can press it with one finger, two fingers or more, and correct each finger postures.
With special designed span between two fingers, which is as wide as clamping a pencil.
Small and easy to carry, you can use it to practice everywhere.
Item size(L * W * H): Approx. 14.9 * 4.8 * 4cm / 5.9 * 1.9 * 1.6in
Item weight: 81g / 2.9oz
Package size: 20 * 13.5 * 5cm / 7.9 * 5.3 * 2.0in
Package weigth: 117g / 4.1oz
1 * Piano Finger Exerciser
1 * User Manual
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