Specifications: Material:ABS/Silicone Diameter:About 1.65in / 4.3cm Battery capacity:150mAh Battery life:About 90 minutes on a full charge Package Contents: 1x Smart Ball 1x Type-C Cable Description: 1.High gualityFood grade ABS material, no pressure for cats to bite. 2. 43mm 43mm "claw control" is different from the traditional rolling ball size on the market, and is more suitable for the cat's "sense of control" of primitive hunting 3. Intelligent In intelligent mode, you can wake up by patting, simulate the escape trajectory of prey, roll and hit obstacles, and then intelligently choose the route to avoid 4. Quiet Give the cat a strange night and give you a quiet sleep. 90% of the cache material package in the outer layer, rolling quiet, day and night, play if you want. 5. Bite resistance and durability Soft and skin friendly silicone wrap, in addition to rolling quietly, increases friction, and takes into account bite resistance and durability. About Charging: 1.Blinking red light: battery is too low and needs to be charged 2.Blinking blue light: the product is charging 3.The green light stays on: charging is complete, please charge it for the first time Notes: 1.Turn on the smart ball: short press the on-off key 2.Switch mode: After turning on the smart ball, long press the power button 3.Smart mode (the blue indicator light stays on for 3 seconds), automatically enters standby mode after running for 3 minutes, reactivates the ball to turn on after slapping, 4.In normal mode (green indicator light stays on for 3 seconds), the ball will automatically turn off after 3 minutes of o peration. [Interactive Dog Ball Toy]: The dog toy ball will constantly move, randomly bounce and vibrate, causing the dog's mental and physical excitement, making the dog active, interactive chase and play with the toy, bringing fun to the boring life of the pets [Safety & Bite Resistance]: The shell of the rolling ball is made of durable PC&TPU material, it is not easy to be chewed and bitten. The material is safe, completely bidding farewell to the fragile dog toy ball [USB Charging]: Upgrade USB charging, charging anytime, anywhere, charging bank, computer USB interface, mobile phone charging head can charge the product, comes with a charging cable, about 1.5 hours full, can be used for about 4 hours [Waterproof Design]: When the toy ball gets dirty, the shell can be cleaned directly under the faucet, our shell is IP54 waterproof, you can always keep the toy ball clean and tidy, reduce the disease of pets [Multiple Scenarios]: The two modes can be used in a variety of different scenarios, both indoor and outdoor, whether you are playing in the backyard, the park or the living room, this toy will bring endless fun to your dog