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? ▶WS08F3-M2-BW: K1: is the light control button: short press can switch the LED light, and the key backlight displays different colors according to the switch state; long press in the light off state will make the function enter the sleep state, and the key backlight is also turned off at the same time; Short press once to return to normal standby. K2: short press to control the opening or closing of anti-mist and hold in the normal working state to make the function enter the sleep state, the button backlight is turned off; short press in the sleep state to wake up again and return to the normal standby state. K3: short press to control the opening or closing of bluetooth. Press and hold in the normal working state to make the function enter the sleep state, the button backlight is turned off; short press in the sleep state to wake up again and return to the normal standby state. ▶WS08F3-M2A-BW:
