Republic of China Patent No. M 511867
A dual-ring respirator for ear, nose, and throat function reconstruction with a force-efficiency-guided soft jaw muscle training module.

Through the "Digiridu training principle," a patented ergonomic design, combined with specific training exercises, it exercises the orbicularis oris muscle and facial muscles to train oropharyngeal function/muscle strength.

Designed specifically for respiratory muscle training
Improve mouth breathing habits
No need to use in combination with medication
Lightweight and easy to carry and use
Easy to clean
Can be used alone or in conjunction with a respirator