1. Electronic accurate counting 2. Non-slip soft rubber, safe and comfortable 3. Adjustable spacing, suitable for hands of different sizes 4. Material: handle: ABS, soft rubber: PVC 5. Dimensions: 140 x 108 x 36 mm 6. Weight: 129.5g 7. Exercise wrist and arm muscles 8. Grip range: 10 kg 9. Battery: 1 x LR44 button battery 10. Automatically turn off the screen, save power and worry, you can wake up when you use it again
