Specifications:
Material:ABS/Silicone
Diameter:About 1.65in / 4.2cm
Battery capacity:80mAh
Battery life:About 90 minutes on a full charge

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 ofo peration.