Enhance Your Breathing and Core Strength: Experience a workout with our Adjustable Resistance Breathing Dumbbells. Designed to improve abdominal breathing and enhance lung capacity, this tool is perfect for athletes and fitness enthusiasts to boost their respiratory strength and overall . Adjustable Resistance for Customized Training: Tailor your workout intensity with easily adjustable resistance levels. This feature allows you to progressively increase your breathing strength, making it suitable for all fitness levels from beginners to advanced. Portable and : Crafted from high-quality materials, our breathing dumbbells are built to last and are compact enough to take with you anywhere, ensuring you never miss your breathing exercises. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:Blue Material:PP Package Contents: 1 * Breathing Trainer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.