1、Small and exquisite appearance, light weight. 2、easy and convenient to operate Use the hand exerciser to warm up before playing and to strengthen and stretch the fingers. 3、Unique ergonomic design allows you to exercise fingers, wrists and forearms while practicing the correct action for playing musical instruments Practice . 4、increase finger speed, strength and independence. 5、Compact and light design, can carry it in your pocket, bag or instrument case Designed for all instrumentalists. Description: Small and exquisite appearance, light weight, easy and convenient to operate Use the hand exerciser to warm up before playing and to strengthen and stretch the fingers .Unique ergonomic design allows you to exercise fingers, wrists and forearms while practicing the correct action for playing musical instruments Practice without your instrument anywhere anytime, increase finger speed, strength and independence. Compact and light design, can carry it in your pocket, bag or instrument case Designed for all instrumentalists, from beginners to professionals. Suitable for the auxiliary exercise of instrument playing, physical exercise and other activities. Features: 1.Small and exquisite appearance, light weight. 2.easy and convenient to operate Use the hand exerciser to warm up before playing and to strengthen and stretch the fingers. 3.Unique ergonomic design allows you to exercise fingers, wrists and forearms while practicing the correct action for playing musical instruments Practice . 4.increase finger speed, strength and independence. 5.Compact and light design, can carry it in your pocket, bag or instrument case Designed for all instrumentalists. Specifications: Material: plastic Color:As shown in the pictures Item Weight: 70g Package Weight: 80g Package List: 1 * Finger Grip