This is the page of the manufacturer: https://www.spinq.cn/products-solutions/Triangulum https://www.spinq.cn/products-solutions/Triangulum As they wrote: "Th

This is the page of the manufacturer: https://www.spinq.cn/products-solutions/Triangulum https://www.spinq.cn/products-solutions/Triangulum As they wrote: "This product contains a powerful permanent magnet . The distance for 5 Gauss (0.5 mT) is 50 cm from this product. Keep a distance of at least 50 cm from cardiac pacemakers and other implanted electronic devices. Also, keep away from other electronic devices and magnetic media (credit cards, etc.)"