1) The pet toy ball has three colours of green, yellow and blue for choice.
(2) The outer case of the ball is made of ecofriendly silicone and ABS materials.
(3) Convenient USB charge design, you can charge it with smart cellphone 5V charger.
The indicator light will be on when charging, the light will turn green if its fully charged.
It takes about an hour to get the battery fully charged.
(4) Package includes a pet toy ball, a USB cable and a user manual.
(5) The power button is on the ball outer case.
And there is a hidden switch for white light and multicoloured light.
You can see the light switch when you open the outer case.