zzmikiteck Portable Trainer for Muscular Exercise，Adjustable Resistance Handheld Exerciser for Oral Daily Fitness Training,Ideal for Sports Lovers, Athletes （2 PCS

• 【Safe Materials】: Made from high quality silicone materials, odorless, harmless, environmentally friendly. There are no side effects .It's your essential tool for strengthening and improving muscular fitness.
• 【Improve Physical Performance】:The device has features that help you strengthen your abdominal muscles,It makes it easier for you to exceed the limits of exercise and achieve better performance when exercising.
• 【 Adjustable Resistances】This trainer has adjustable resistance settings, adjust airflow by turning the nozzle left and right. allowing you to customize training according to personal needs and progress.Whether you're a beginner or an elite athlete, achieve your ideal training intensity effortlessly
• 【Portable and Widely Used】:The compact design of this trainer allows you to use it anytime, anywhere. It fits seamlessly into your lifestyle, allowing for effective exercises at home or work.Whether you're a fitness lover, an athlete, a singer or a swimmer,our trainer is designed to help strengthen and improve your endurance with regular use.
• 【Daily Use】:Suitable for all types of mouth, perfectly sealed and easy to use. Take your mouth slowly and deeply as possible, then hold your breath for a few seconds. Use your mouth to breathe slowly until you hardly breathe at all.Use the trainer for 10 minutes, 2-3 times a day. use it during workouts, yoga, meditation, or daily activities .

Features of Portable Trainer for Muscular Exercise REDUCE FATIGUE IMPROVE ENHANCE ATHLETIC STAMINA PERFORMANCE INSTRUCTIONS 1. Insert the mouthpiece into your mouth 2. Adjust knob to desired resistance level 3. Inhale slowly through the mouthpiece 4. Hold your breath for a few seconds 5. Slowly exhale through the mouthpiecev 6. Repeat while you exercise Package of Portable Trainer for Muscular Exercise 2 Pcs Portable Trainers (black and blue) 1 user manual