Lights up when you press the button. Rechargeable and reusable. *Product Contents: Tortoise Light unit, 1 Micro USB cable (faithful design) Carefully designed to recreate the world of the game. It will tickle your adventure. 【Portable】Small and lightweight, you can carry it anywhere. It can also be used as a key holder, so you can always have it near you. Reliable light source: The light function is useful in times of emergency. Stay on your adventure with peace of mind even in the dark. Rechargeable: Rechargeable that can be used over and over again. It also comes with a charging cable, so you can start using it immediately. Perfect Gift: This item is irresistible for fans. This item is sure to delight as a gift.