This earphone will glow  without any Battery after it absorbs the light.
So if it doesn't glow， please take it to the bright place for a few hours or put it under the light for about 10 minutes，then you can see it glow when you take it in the dark place or at night.

6 Colors: Pink， blue， green， yellow， purple， silver.

please leave a note or send us a message for the colors u need， or we will send ramdonly colors.

The retail package and earphone will be shipped

separetely

please pack it well by yourself.