Product Dimensions:2.04 x 2.04 x 2.04 inches; 5.29 ouncesBatteries:1 Lithium Ion batteries required. (included)Date First Available:October 12, 2023Manufacturer:petgravityASIN:B0CKYY8GJPNovel and Really Smart Interactive Dog Toys: Petgravity Bouncing Ball has 2 modes: normal and smart mode. Upon being turned on, it will automatically move, shake or bounce among which you can switch to fit for different dog plays. At the meantime, the LED lights will on, which can grab the dog's attention.When you want to take a rest but your pet is still full of energy, this is the right choice for you.Smart Electric Dog Toys: With an intelligent built-in obstacle avoidance sensor, Bouncing Ball runs in random directions and moves away when it hits a wall, furniture, or other obstacles, keeping your Dog excited by remaining unpredictable. Bouncing Ball can run on any type of hard floor such as marble, wood, tils floor, etc. (Note: not recommended for shag like pile carpet, rug; not suitable for heavy chewers!).Dog-Friendly Material: We care for our dogs like babies, we want them to be happy and healthy. Dogs like biting, chewing,and licking their toys, Petgravity Bouncing Ball is made durably from materials (PC+TPR), safe, non-toxic and low noise. Ideal for Small-Medium Breeds: Bouncing Ball is 2.05 inches in diameter that is suitable for dogs weighing up to 35 lbs. We suggest your supervision during the fun play and instruct your dog how to interact properly instead of just chewing on it.Timing Function: Bouncing Ball will play with your pet for 5 minutes and then enter standby mode. However, during the rest time, it can be reactivated by your pet or your touch to play with your pet for another 5 minutes, with a maximum continuous run time of about 180 minutes, and a maximum intermittent run time of about 3 hours. With a built-in rechargeable battery, simply charge the toy via the micro USB cable (power adaptor not included), free your mind from changing battery.Accidental Touch Protection: To prevent your pet from accidentally turning the toy on or off, the button requires a bit of strength to press. If you have difficulty turning it on with one hand, press the button with both knuckles for 3 seconds. Customer Service: If you need any help or have any inquiries, feel free to contact us and we will surely provide a satisfactory solution in a timely manner.