leather notebook calculator with plug cover 12-bit display solar energy dual power supply large screen display notebook computer

Osao Electronic Calculator Product Description:

  Display screen

 Using Japanese LCD technology, the fonts are lifelike, clear, and dark, with no shadows.

  Too Sun

 With American photoelectric technology, photoelectric conversion efficiency is good, and it can provide sufficient electricity, making it more convenient to use.

  Metal surface

Made of thickened aluminum material, achieving better protection.

Button Number:

 Adopt high-grade ink, durable and long-lasting.

  Printed Circuit Board (PCB) :

 Corrosion-resistant sheet metal with good electrical conductivity and strong adhesion to carbon oil

 Integrated Circuit

 Fast IC, high calculation speed, low power consumption

  Button Adhesive:

 Refined with brand new materials and high-quality silicone oil, the feel is even more comfortable.

    Screw

Spray painting process, passes salt spray test.

  Banma Line

 Complies with European environmental protection standards.

  Button cell battery

 Leak-proof NiMH (Nickel Metal Hydride) environmental-friendly batteries offer more powerful energy and long life.

  Product Bag

 PE material

    Color Box:

 Environmental-friendly ink printing, polished process, replaces the traditional film attachment, and can be completely decomposed after recycling.

  Outer Packaging:

 KA Enhanced Paper Material.