[Safety Reliable]: The interactive cat collar is made of selected TPU material which is soft, durable, and washable. which is harmless for cats or other pets. A lightweight collar is comfortable to wear on the neck of kittens. [Work Details]: After 15 minutes under normal working conditions, the red lamp will be automatically turned off and enter the power saving mode. Until 1 hour and 30 minutes red light, the red light will automatically turn on again. [USB Rechargeable Battery]: Compared to replacing the alkaline battery, rechargeable batteries with micro-USB charging ports are more convenient and eco-friendly. Cats can play for nearly 5 hours on a single charge of 1 hour with this rechargeable collar toy. [Hands-free Cat Toy]: The ray o