How do I know if my Mac wireless mouse is charged?

I bought a wireless mouse for Mac.

I'm charging, but there's no sign of changing from a red light to a green light that usually comes out.

How can I know if it's charged?

1602 2017-03-27 Gentleman

popular What is the deadline for purchasing lotto?

popular Can I listen to music with Bluetooth earphones on the plane?

popular Is hair spray not allowed on the plane at all?

popular Why does it say that your license has expired on your phone?

popular How can I connect to watch a video on my phone on TV?

Same Tag Can't I watch YouTube 4K on Mac?

Same Tag Please recommend a wireless mouse for my laptop

Same Tag Where did you all buy Mac 2017 Holiday?

Same Tag What's the tone of MacLillentlisleyred?

Same Tag Which tone would fit well with McHugubble Fashion Force?

Same Time I can't play Overwatch, why is that?

Same Time How do I know if my Mac wireless mouse is charged?

Same Time Where is a good place to enjoy water sports in Southeast Asia?