RECHARGEABLE BATTERY TOY - Built-in battery, USB recharged batteries for up to 2 hours playtime for your cat. ENERGY SAVING SYSTEM - In order to save energy, the toy will stop working automatically in 15 minutes. The toy may roll erratically and change direction on its own when it encounters resistance. ATTRACTIVE LIGHT - The light on the ball will attract cats chasing swating and running. This interactive ball attracts your pets attention by rotating 360 degrees and simultaneously emits red light. EXERCISE MORE - Your cats wont be bored anymore if they have fun with him, keep him entertained and relieve stress when you leave him home alone. ECO-FRIENDLY AND SAFE FOR PETS - All accessories are built into a roller ball. The red LED light is soft enough not to harm your pets eyes. The surface is made of environmentally friendly ABS. Upgraded version with USB charging, 1.5 hour charging time, provides 4 hours of fun. Automatically turn off every 15 minutes, prevent your cat from becoming addicted to the moving ball. The optimal size will make your cat excited. The red LED light will attract your cats attention and will not harm your cats eyes. Warm Notice: Reload the cat ball for the first time. The ball will move slowly when the battery is low. The battery must be fully charged before use or storage. The ball rolls well on the hard floor, but it might not work well on the thick carpetProduct Specification: Material: ABS Product weight: 99g Colour: white and red Dimensions: 6.4 x 6.4 x 6.4cm Powered: USB charging360 degrees of auto-rotation fun for your cat, free for your hand Just press the button, the smart cat toy will automatically rotate 360 degrees to make your pet frantically chase the ball. it will automatically change direction in the event of a collision with a wall, a chair, door, etc. It will automatically turn off after 40 minutes. it is better to let your cat get enough rest. Built-in red LED and USB charging interface - Pets best companion With LED light instead of laser to protect your cats eyes. Soft red light will not hurt cats eyes. With USB charging input port to easily charge your cat toy ball, just need 1.5 hours, no more battery needed. Robust and high quality ball Made of high quality ABS plastic, non-toxic and wont hit the wall hundreds of times. Sturdy and safe for your pets