XMALL Torque Ball Hand Exerciser, Grip Strength Trainer, Auto-Start Colorful Lighting, Forearm Strengthener, Hand Strengthening Devices, Wrist Power Gyro Ball, Wrist Strengthener, Auto-Start(Black)

Brand: XMALL

Color: Black

Features:

• 【Relax your wrist】Working professionals who use computers or mobile phones for long periods of time may experience wrist soreness and weakness, while fitness enthusiasts who train for a long time may experience wrist soreness. This wrist strength ball can be used to relax the wrist, significantly improve muscle strength and flexibility, and promote blood circulation.
• 【 No need for battery 】 Mechanical power, no need for power supply. The rotation of the wrist interacts with the internal ball core to generate centrifugal force, which can maintain the high-speed rotation of the ball core and feel the impact brought by high-speed rotation.
• 【 Easy to use 】 Self starting device, ready to play at any time, built-in self elastic device, can be activated by pushing the core ball in the direction of the arrow to release it.
• 【Packing List】Wrist gyro ball, instruction manual, ball sleeve, safety rope, gift box.
• 【 Friendly Reminder 】 If you are using this product for the first time and still have difficulties or doubts after reading the user manual and the detailed usage video provided by our A+, you can contact customer service, and our support team will provide assistance for you.

Package Dimensions: 3.9 x 3.6 x 3.1 inches