Notes:1.Turn on the smart ball: short press the on-off key2.Switch mode: After turning on the smart ball, long press the button3.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 charged2.Blinking blue light: the product is charging3.The green light stays on: charging is complete, please fully charge it for the first timeBattery capacity: 80mAhColour:blueMaterial:ABS+SiliconeSize:Diameter: about 43mmPackage Contents:1 x rolling ball1 x usb cableOnly 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.