Does Osmo Action 3 have sleep mode?

Yes. When Osmo Action 3 is powered on, press and hold the Quick Switch button to enter sleep mode.

Press the button once to wake the screen.

Press the shutter/record button to enable SnapShot.

Related Questions

What is the difference between the DJI Osmo Action 6 Standard Combo and Adventure Combo?

Both include the same Osmo Action 6 camera. The Adventure Combo adds two extra Extreme Battery Plus batteries (three in total), the Multifunctional Battery Case 3, a 1.5m Extension Rod, plus a second adapter mount and locking screw.

What is the DJI Osmo Action 360° Wrist Strap compatible with?

What is the DJI Osmo Action Bite Mount compatible with?

The DJI Osmo Action Bite Mount is compatible with a range of Osmo devices.