The product is a set of reusable adult resuscitator. It is to manually supply breathing gas to patient's lungs squeezing the flexible bag of the product. The mask of the product is an interface of delivering breathing gas to patient. If medical staffs can't use the mask on patient. They can use the airway to establish an opening way of breathe for intubation. So, patient can inhale the gas from the product.
In addtion, it also has an oxygen reservoir bag. If medical staffs determine to supply oxygen to patient. the bag can assist to provide denser oxygen to the breathing gas for patient.