Have you looked at the new hand held device that works off of an ultra sonic radio frequency? All you do is dial it to the freq you need and place it on your chest. No tubes, no vest and uses a rechargeable battery so no additional lanky machine or chords to trip over.
Have you looked at the new hand held device that works off of an ultra sonic radio frequency? All you do is dial it to the freq you need and place it on your chest. No tubes, no vest and uses a rechargeable battery so no additional lanky machine or chords to trip over.
Gramps1975 8 months ago
as an engineer...i think it may be beneficial but i think it is way overpriced.
S888999333 2 years ago
i am surprised at how many ppl use the vest in usa..not expensive? i have cf over 40 yrs old
S888999333 2 years ago
no, its VERY expensive. $17,500 big ones.
OboeKid96 2 years ago