Mains electricity or cell?
Cell
What's this gadget?
Game consoles
Mains electricity or cells?
Cells
Mains electricity or cell?
Mains electricity or cell!
What's this gadget?
Headphones
What's this gadget?
Walkie-Talkie
What's this gadget?
Flashlight
Mains electricity or cell?
Cell
Mains electricity or cell?
Mains electricity or cell
Mains electricity or cell?
Cell
What's this gadget?
Smart Watch
Mains electricity or cell?
Cell
What's this gadget?
Fan
What's this gadget?
Laptop
Mains electricity or cell?
Mains electricity