Multi-function calculator transparent Solar Calculator
Material: ABS
Size: 8 * 12 * 0.5CM
Weight: 90g
Custom LOGO: Yes
Color: red, blue, black, green, orange
OEM / ODM are always welcome
1) Simple and practical 8-bit display calculator;
2) Using the most advanced transparent touch screen technology; add computing pleasure;
3) Using energy efficient environmentally friendly solar energy; you do not worry about the battery is dead.
Pure solar energy, can not be used at night