Rechargeable Electronic Breathing Trainer with Adjustable Resistance

This rechargeable electronic breathing trainer is a fitness device for breathing practice. It features a cylindrical body, built-in display head, and clear oral interface. The adjustable variable breath control allows you to match breathing load to your training goal. A digital respiratory counting display helps you track repetitions. The transparent outer section and flexible breathing loop give it a distinctive structure. It is intended for controlled breathing exercise focusing on inhalation and exhalation.