What's in the box:

Portable Guitar Bass Piano Finger Exerciser Hand Grip Finger Trainer Finger Strengthener Hand Trainer Finger Training Device Hand Training Tool Black (Black)

Features:
Ergonomic and streamlined design fits human fingers with comfortable grip so that the fingers can quickly and naturally adapt to its strength.
Mini size and light weight, portable to exercise and carry anytime, anywhere.
Made of premium ABS and silicone materials, soft & comfortable & non-slip to use, not easy to fatigue and will not hurt your fingers, ensuring safety and durability.
Fine workmanship ensures that each button is flexible and not easy to loose and break.
Effective exercise of fingers, wrists and forearms can help maintain and improve the strength, flexibility, endurance and coordination of your fingers and wrists to reduce the pressure and damage of joints.
Designed for those who need to exercise finger strength and flexibility especially people practicing finger instruments such as piano, guitar, ukulele, bass, etc.

Specifications:
Model: CF-1
Material: ABS + silicone
Color: Red / Green / Black / Yellow (Optional)
Item Size: Approx. 7*9*2.2cm / 2.76*3.54*0.87in
Item Weight: Approx. 54g / 1.9oz
Package Size: Approx. 11*11*3cm / 4.33*4.33*1.18in
Package Weight: Approx. 66g / 2.33oz

Packing List:
1 * Finger Trainer