Take a base line blood pressure reading after 20 minutes of the frequency you use, retake blood pressure. The BP-TX Automatic uses the latest technology microprocessor controls and has been successfully used at several hospitals in China. It works through the utilization of adjustable low frequency sensorial electric pulses with bio-feedback. It may be used on the BP Depressing groove as well as other accessible zones of the ear (ie, Shen Men, ect). These pulses simulate the body's bio-electric energy, and in combination with a process of charging and discharging, act to adjust, reset and balance the body's electro-potential energy. Easy to use, we make no medical claims Specifications Pulse frequency Low------------50HZ Medium------75HZ High-----------100HZ |