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⚡ Self-powered LCD display | ⚙️ High-strength metal structure | 🔄 Automatic core system | 🏋️ Dynamic resistance adjustment | 🖐️ Non-slip comfortable grip
The Curaball Hand Strength Trainer is a highly efficient fitness tool designed to enhance grip strength, forearm endurance, and hand coordination. No batteries or external power source required—the built-in self-powered LCD screen displays RPM, applied force, exercise time, and calorie burn in real time, allowing you to precisely track your training data. The blue backlight design ensures clear readability even in low-light environments.
Product Specifications:
🔹Product Name: Hand Exercise Device
🔹Colour: Black
🔹Material: Aluminium alloy shell + steel rotor + silicone grip
🔹Resistance Range: 0-50 lbs (dynamically adjustable)
🔹Display Data: RPM, force, time, calories
🔹Power Supply: Self-powered, no batteries required
🔹Packaging: 1/2/3PC * Hand Trainer
Get Curaball now to build stronger grip strength and make your hands more flexible and powerful!
Warm Note:
1. Please Allow Slight Size Errors Due to Manual Measurement
2. Due to Differences Between Monitor Displays, Actual Color May Vary Slightly from Image.Thanks for Your Understanding
