Wrist Trainer Power Gyroball, Hand Strengthener, Centrifugal Force Decompression Grip Ball, for Stronger Arm Muscle (Size : Style 2) ()

?? What is the Wrist Ball Use for ? - It is interesting and good for hands, wrist, shoulder, forearms, biceps and good as warm-up sport before you do clim, golf, basketball etc - If you use computer or play the piano for long time, you can play this ball every day for several minutes which make you feel hand won't be so pain as well. - it is a very interesting toys to make your forearm sore and gets the blood going. ?? Product Details Product name: wrist ball Inner ball material: zinc alloy Shell material: polycarbonate, silicone ??The product contains 1: wrist ball*1, Wrist strap, Ball bag(not including other things) ??The product contains 2: wrist ball*1（With timer）, Wrist strap, Ball bag(not including other things) ??Usage Instructions: 1. Wearing a special wrist strap is safer to use. 2. Lightly press the core with both thumbs and push it in the direction of the arrow until the core cannot roll forward. 3. Quickly release the core and then one palm grasp the ball body and rotate it. 4. After feeling the ball rotates, the wrist can freely control the ball in a circle. ?? Service: 1. If you need more styles, please click our other products to find the style you want. 2. If you have any questions before or after your purchase, please do not hesitate to contact us.

• 【Simple Operation】Built-in automatic elastic device Push the arrow to the end You can loosen the center of the ball and start easily
• 【Good for health】It can effectively alleviate musculoskeletal pain caused by long-term use of wrists and arms, and can also help fitness enthusiasts to carry out targeted strength training, Can be placed in the accompanying bag when not in use
• 【Mechanical power, no power supply required】The centrifugal force generated by the interaction between the rotation of the wrist and the inner rotating core maintains the high-speed rotation of the core
• 【Two styles】One with timer for effective fitness, the other without timer, simple and stylish
• 【Ling and small, carry it with you】Palm playthings can be exercised at any time, which has a good exercise effect for people who use excessive wrist strength, and there is no venue restriction