maxell 3v coin

hi! I'm a 3 volt coin battery, I'm produce electricity, i can test the RGB LED and some stuff are using me! want to test your poor piano rgb light? I'm so sorry, don't worry my friend, i have located the coolest repair shop on kuching, the name of the shop is sing electric repair co. it can fix anything for you! now let's just test the light first then we go to the next level, hehe!