Hangshi (BOW) HB188S leather-like Bluetooth folding keyboard [can be used on half side]

Fold the half side of the keyboard to use

When using the keyboard on the bed or sofa, sometimes you only need to flip the page with one hand to browse the content. At this time, I hope the keyboard is small, but when I need code words, I hope the keyboard is not so small. Hangshi (BOW) HB188S Bluetooth folding keyboard can Solve this conundrum, since it can be used both forward and reverse:

Cortex-like non-metal, it won’t be cold when you put it on your stomach in winter:

Hall switch: One side of the HB188 keyboard is designed with a magnet, and the other side is equipped with a Hall sensor. This design realizes automatic control of the keyboard power supply when the keyboard is opened and closed without the need to manually toggle the switch. According to this magnetic suction design, a magnetic-reducing material is pasted on the back of the keyboard, that is, stainless steel is pasted on one side of the magnet (inside the blue frame) (a steel ruler is pasted in the picture); so that the magnetism cannot penetrate to the other side. Hall sensor (inside the red box):

In this way, after the cover is reversed, the keyboard will not be automatically turned off, and the purpose of using the keyboard on one side is realized:

Research on materials for reducing magnetism

After experiments, metals that can be absorbed by magnets can greatly reduce the magnetism after penetration, and vice versa, it hardly reduces the magnetism!

Materials that significantly reduce magnetism:

Stainless steel sticky ruler √ (scissors can be cut):

Ordinary straight steel ruler √ (not easy to cut):

Materials that cannot significantly reduce magnetism:

Copper foil [3mm copper foil + 2mm nanometer double-sided tape] ×:

Anti-electromagnetic radiation cloth [Green Fill] ×: