Versatile Resistance Levels: Adjust resistance effortlessly with variable load-bearing blocks, catering to diverse training intensities for all user levels. Dual Training Methods: Elevate lung capacity through tailored exhalation and inhalation training options, accommodating varied breathing exercise requirements effectively. Premium Material Construction: Crafted from top-tier PCTG and PMMA materials, this deep breathing trainer ensures durability and reliability for prolonged use. Quantifiable Pressure Control: Precisely determine training pressure thresholds through the weighted block system, offering accurate feedback for optimized respiratory muscle training. Ergonomic Bionic Design: Experience enhanced breathing exercises with a human-bionics-inspired interface that promotes proper pouting breathing techniques for improved results. Description: Improve your lung capacity with our versatile Breathing Exercise Device. Suitable for all fitness levels, this device allows you to adjust resistance by adding or reducing load-bearing blocks of varying weights. Enhance your respiratory strength through both exhalation and inhalation training methods. Crafted from high-quality materials, this lung trainer offers precise pressure thresholds determined by the weight of the load-bearing block. Its unique design, inspired by human bionics, guides users in practicing proper breathing techniques effectively. Breathe better and train smarter with this innovative respiratory muscle training device. Item Name: Breathing Device Material: PCTG, PMMA Features: Deep Breathing Training, Core Exercise Equipment, Portable Size Details: L: 18cm, W: 9cm, H: 7cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Tube 5 x Weights 2 x Nozzles