• Portable breathing training device, suitable for use at the gym, while running, or at home.

• Mouthpiece with soft, flexible contact and embossed protrusions for a secure grip in the mouth.

• Adjustable resistance: the mechanism at the base rotates left–right to increase or decrease the intensity of the breathing exercise.

• Helps train the respiratory muscles and is used in programs to improve endurance and physical fitness.

• Can be incorporated into breathing exercises aimed at better stress management and overall well-being.

• Designed for easy disassembly for quick cleaning after use.

• Lightweight construction, total weight approximately 50g.

• Place the mouthpiece in your mouth, gently biting the protrusions so that it remains stable.

• Adjust the resistance intensity by rotating the mechanism at the base until you find the level that allows you comfortable but "worked" breathing.

• Perform inhalation–exhalation exercises according to the instructions of the manufacturer and/or your trainer.

• After use, carefully disassemble the device and clean the parts that come into contact with the mouth with lukewarm water and mild soap; let them dry completely before the next use.

(The exact duration and frequency of use should follow the instructions provided in the product manual.)