Finger Trainer Finger Training Muscle Training Musical Instrument Piano Guitar Trumpet Practice Convenient to Carry Portable Black

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. A finger trainer that can be adjusted to suit you. It has anti-slip material where the fingertips and palm touch. The width can be adjusted and you can train your ring finger and little finger. You can improve the muscle strength of your fingertips and maintain your grip strength. color black - A finger trainer that can be adjusted to suit you. - Anti-slip material is attached to the areas where the fingertips and palm touch. - The width can be adjusted, allowing you to train your ring finger and little finger. ・You can improve the muscle strength of your fingertips and maintain grip strength. [Product specifications] Color black