Most popular acu-magnets.
The bionorth (-) side of the magnet has a tiny protrusion in the centre, which provides additional stimulation to the point.
24k gold plated
Note: Do not use magnets or magnetic therapy if using a pacemaker, implanted medical device or insulin pump, as they may interfere with the delicate electronic equipment. Magnetic products are not recommended for cancer patients, patients with transdermal patches, during pregnancy, or for children.