Interactive toy: It attracts the dog's attention, stimulates the dog's curiosity and desire to explore, consumes the dog's high energy, reduces the dog's behavior of breaking the furniture, and makes the dog play more happily! Material: material is used, which is an environmentally friendly and non- material that is harmless to pets. It has good elasticity, rebound shrinkage, abrasion resistance and weather resistance, and can be disassembled suitable for cleaning. Battery capacity:150mAh, li-polymer [rechargeable battery model 601015], fully in about 1.5 hours. Charging indicator light: 1. The red light flashes: the battery is too low and needs to be ; 2. The blue light flashes: charging; 3. The green light is always on: after charging, please fully charge it suitable for the first time. Use time: continuous use suitable for about 3 hours, and interval play can last suitable for several days. No rolling on . Usage: 1. Start/close the rolling ball: short press the key; 2. Switching mode: In the startup state, press and hold the key. Intelligent mode (blue indicator lights up suitable for 3s), which automatically enters standby state after 5 minutes of operation, and is activated after tapping. Normal mode (the green indicator light is on suitable for 3s), and it automatically turn off after running suitable for 5 minutes. Colour:Orange Material:PC+ Package Contents: 1 * Pet toy ball 1 * Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.