^^ Power Saving Design - The wireless optical mouse will be in sleep mode after 5 minutes without operation, click left or right button to wake it up when you want it to work again, so the on and off switch is not required, also eliminates the need to change batteries. Powered by 1 AA batteryNot included. ^^ USB Connection - A USB nano receiver (stored in the back of the mouse) conveniently slots into your computer's USB port. Plug and play directly. Compatible with almost all USB-enabled computers laptops.
Pls Note: this mouse will NOT compatible with Macbook Pro or other devices which only have Type C ports, it will need an adapter to work


