Feature

●Dimensions: 10 x 5 x 3 cm
●Material: Made of high quality silicone material, non-toxic, odorless, harmless, eco-friendly, safe to use
●Respirator Trainer: Treat your airway trainer as a lung fitness center. Train lungs and respiratory muscles to improve lung capacity and endurance
●REGULATE THE VOLUTION OF AIR YOU WARE: The breathing trainer can adjust the amount of air you intake, improve your daily breathing health, increase endurance and lung capacity. The breathing trainer uses multi-level resistance wheels to reduce the amount of air flow through your lungs and forces you to breathe more concentrated and deep
●Versatile and easy to use: swimming, diving, ?? Suitable for various occasions, such as surfing, running, fitness, travel, etc. Our products are durable and easy to use. It fits all mouth shapes and is completely sealed, convenient to use


Description

Note:
1. Due to the light and display, the color of the actual objects may be slightly different from the pictures.
2. Please allow 3-5mm error due to manual measurement.