Small health pen mini health pen energy pen pendulum detection vertical

Small health pen The function is the same as the general health pen, but it is smaller in size, lighter and easier to carry😊 For functions, please refer to the reference guide of "Keshi Technology Life Application Handicraft" - Health Pen. If you want to carry it with you, please expose it to the sun for purification and recharge once after receiving it. It is recommended to expose it to the sun at least once a week after starting to use it, and the sun exposure time should be at least 3 hours each time. Nano-coated pens are placed in small centrifuge tubes to protect the nano-coating.