Features: Dual Mode Design: The product is designed with two modes, crazy mode(LED flashing fast) and normal mode(LED flashing slowly), to meet the play needs of different cats, allowing pets to enjoy different fun. Low Noise Design: The product noise is less than 50 decibels, it will not disturb you and your pet, allowing pets to play in a quiet environment. Type-C Charging Battery: The built-in 250mAh battery can be charged for 1.5 hours and can work for 4 hours, meeting the needs of pets for long-term play. Automatic Obstacle Avoidance Function: The built-in intelligent sensor can automatically back up and move away when encountering obstacles, protecting the safety of pets. Easy to use: Long press for 3 seconds to turn on/off the ball, and click to switch modes, making cat entertainment more worry-free. Specification: Optional Color: Blue / Green / Yellow Material: Silicone+ABS Battery: 250mAh Charging Voltage: 5V Operating Mode: Crazy Mode/Normal Mode Waterproof Level: IP54 Standby: 7 days Always working: 4 hours Scope of Application: Cats/hamsters and other pets Product Diameter: 55mm Product Weight: 76g Package Size: 75*75*60MM Package Weight: 112g Package List: 1 x Cat Ball 1 x Charge Cable 1 x User Manual