Product Features Point 1｜Full Body Training to Bring Out Masculinity: With the cordless battle rope, you can train your entire body, including your upper body, core, and legs, simultaneously. It strengthens the muscles in your arms, shoulders, back, and abdomen in a balanced way. Point 2｜Powerful Rebound Force & High-Precision Spring: The built-in 300g weighted spring allows for continuous high-speed vibrations, continuously contracting the core muscles centrifugally. It effectively stimulates the biceps, triceps, and forearms. Point 3｜Non-Slip Coating Handle: The scientifically designed handle is easy to grip, has excellent abrasion resistance, and allows for safe training. Even beginners can operate it smoothly. Point 4｜Excellent Durability & Portability: The thick weighted spring and thick steel pipe are resistant to deformation and feature a high-pressure design. Full-body training is possible anywhere, indoors or outdoors. Point 5｜Quiet Design & Unisex: The quiet design reduces noise, making it safe to use even in apartments. It's unisex and can be widely used at home, in the office, or outdoors. Brief Description This is a multi-functional training gear that efficiently trains the strength, endurance, and core of the entire body, bringing out masculinity. The quiet design allows for indoor use. Product Specifications ・Length: 50cm (set of 2) ・Weight: Approximately 900g ・Thickness: Diameter 3.5cm ・Materials: Steel, thick steel pipe, built-in weighted spring ・Color: Black ・Target: Unisex How to Use Hold the cordless battle rope with both hands and swing it up and down, in waves, or in cross motions to stimulate the muscles of the upper body, abs, and legs. Beginners can operate it smoothly. Uses ・Strength training indoors ・Endurance and physical strength enhancement outdoors ・Strengthening abdominal, back, arm, and shoulder muscles ・Building a masculine physique, improving fitness ・Ideal for home gyms and home training Summary This is a multi-functional training gear that efficiently trains the strength and core of the entire body. The quiet design allows for safe use indoors, and it's unisex, making it widely usable at home or outdoors.