Our breathing trainer reduces the amount of air flow to the lungs, forcing you to take more focused and deeper breaths, as a result increasing your lung capacity. Regular use can strengthen respiratory muscles, enhance overall breathing efficiency, and even aid in stress reduction. Ideal for anyone who has poor physical condition, or under lots of anxiety. Compared with other similar products, our breathing trainer is easy to use. You can easily adjust the resistance valve to select your desired level of breathing and resistance. Whether you're a runner, cyclist, or simply want to improve your overall lung function, this device is your top choice. Lightweight and portable, our breathing trainer is easy to carry. Not only does our adjustable resistance trainer help increase lung capacity and improve aerobic endurance, but it also offers a range of other benefits. You can also use it as a gift. Description: Introducing our revolutionary adjustable breath trainer, designed to enhance muscle endurance and improve aerobic performance. With its innovative rotary valve multi-resistance adjustment, you can easily customize the breathing resistance to suit your fitness level and goals. Simply rotate the valve to increase or decrease the intensity, allowing you to gradually build up your lung capacity and overall endurance. This portable breath trainer is perfect for athletes, fitness enthusiasts, and anyone looking to boost their cardiovascular fitness. Whether you're a runner, cyclist, or simply want to improve your overall lung function, this device is a game-changer. Its compact size makes it easy to take with you wherever you go, so you can train anytime, anywhere. Not only does our adjustable resistance trainer help increase lung capacity and improve aerobic endurance, but it also offers a range of other benefits. Regular use can strengthen respiratory muscles, enhance overall breathing efficiency, and even aid in stress reduction. Plus, it's incredibly easy to clean. Invest in your fitness journey with our adjustable resistance trainer and experience the difference it can make in your performance. Take control of your breathing and push yourself further than ever before. Don't settle for average endurance – unlock your full potential with our innovative training tool. Item Name: Breath Trainer Material: ABS Features: Lightweight, Reusable, No Odor, Portable Size Details: L: 10cm, W: 5cm(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 Breath Trainer