Item Specifics: Material: ABS/Silicone Size: 4.3 cm diameter (about) Battery Capacity: 80 mAh Color: Pink / Blue 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 5 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 5 minutes of operation. 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 fully charge it for the first time