[USB Rechargeable]: The self moving ball toy with a built-in 1000mAh battery can be charged by power bank, computer, mobile phone with a USB cable. No need to buy an extra battery or Solve the trouble of frequent battery replacement. [Funny Interactive Ball]: Once your cat's paw touches the ball, it will turn on. It will roll on its own to attract cats to and catch it. This ball will become your cat's favorite indoor toy. It will automatically dodge obstacles. [Keep Cat Health]: Keep your pet cat busy with this automatic cat toy, which can help them promote movement, eliminate boredom, relieve stress and anxiety, and foster intimacy with their owners. [Built-in Motion Sensors]: Built-in motion sensor, the toy ball will detect and interact with the cat, the cat ball automatically rolls to move and stop. 3 minutes auto standby, the kitten itself can wake up the ball to move, no longer bother you to switch the toy on and off again and again. [Colorful LED Light]: The cat exercise ball toy will emit colorful LED light while moving, which can effectively attract the cats attention and stimulate cats to play with this funny toy, providing much fun for your pet. Materials: ABS/PVC Color(Optional): Blue/Yellow Output Power: 1000mA/DCSV Built-in Battery Capacity: 1000mAh Size: 4.8CM/1.9in Weight: 0.1KG/3.5OZ Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Please allow slight dimension difference due to different manual measurement. Thank you for your understanding. Package Includes: 1xAutomatic Cat Ball 1xUSB Cable