This external blue transducer heavy duty. For Qigong massager for professional machine Sitting-On stile utilizes Alpha Rhythm waves at the Low Frequency 8 -14hz. and amplitudes altered in High or Low.
Transducer hand held for Gigong machine
This external blue transducer heavy duty. For Qigong massager for professional machine Sitting-On stile utilizes Alpha Rhythm waves at the Low Frequency 8 -14hz. and amplitudes altered in High or Low.
Transducer hand held for Gigong machine
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