This smart cat toy can zip, zap, tumble and tease across almost any surface with ease on Wood, Marble, Tile, Low pile carpet, etc. (Not suitable for shag, pile carpet, rug) Easy to use The cat toy can be turned on/off by pressing and holding the mouse nose for 3S until the tail LED turns on/off. Upgraded Wheel Clips Effectively Reduce Tangling Note: Dot't pull the wheels frequently Small and Portable The small size of Wicked Mouse won't scare your kitty, and thanks to its compact design, it's very portable, Even if you occasionally want to take your cat outside, you can carry the Wicked Mouse with you so that it can play with your cat anytime. USB Rechargeable The Wicked Mouse can be fully charged in just 1 hour. When fully charged, it can accompany your cat through 4 game loops. We recommend that you fully charge your Wicked Mouse after you first receive it to extend its lifespan. Tips： The yellow LED light keeps flashing while charging. When the green LED light is on, it means the Wicked Mouse is fully charged. Package Includes 1 x Wicked Mouse 1 x USB Charging Cable 1 x User Manual