vibrating focused device
Vibrating plate is a 6.5 inch diameter with one transducer built in and a portable bluetooth and rechaging battery.
You can carry it in your personal bag
If you feel joint pains, or muscles pain or headache just to relax. Place vibrating plate on the specific location in your body and let discomfort dis-appear.
two transducers sock with the above - $180
2X two transducers socks with one amplifier and one rechargeable battery $270