BT21 X Transparent solar Calculator
**BT21 Transparent solar Calculator
**BT21 is a Globally Beloved Character of Millennials, including TATA, CHIMMY, COOKY, KOYA, RJ, MANG and SHOOKY
**No battery needed, electronic calculator runs on solar energy.
**It is very small and beautiful, you could also bring it with you no matter where you are.
**Perfect tool for office, home, school, etc.
**It is not only super easy to save money and very convenient.
**The fashion design calculator is very popular with young people, it is easy to carry.
**High-Quality Bangtan Boys Merchandise.
**Welcome to shop in our store.
**Fast Shipping to ARMYs Worldwide.