doctorVOX Ultra Set - Premium Medical Kit for Home & Travel | First Aid Essentials for Emergencies, Outdoor Adventures & Daily Safety

maskVOX, doctorVOX, and pocketVOX devices are to provide free articulation during DoctorVox Voice Therapy Technique. maskVOX is easily connected to doctorvoxVOX and pocketVOX. The artificial elongation of the vocal tract and backpressure is the physical basis of the DVT. maskVOX can be used in the treatment of voice and speech disorders. maskVOX is also a supportive device for singers, singing students and professional voice users. maskVOX is intended to be a therapeutic tool in singing voice therapy as well.