1、Fingering Training: The piano finger speed trainer aims to help improve finger strength and flexibility, making it an ideal choice for beginners and advanced piano players. 2、Good Silicone: This finger enhancer is made of premium silicone material and is durable, which suits perfectly for repeated and long term practice. 3、Easy Exercise: The finger speed trainer is easy to use, just grab and compress the silicone pad to exercise your fingers. 4、Portable and Lightweight: This finger enhancer is small and lightweight, making it easy to carry in a pocket or bag, making it perfect for practice on the go. 5、Adjustable Resistance: The resistance level of the finger strengthener can be adjusted according to your ability level, so as your finger strength increases, you can gradually increase the difficulty.