How do I turn the SMOK RPM 40 on and off?
Press the Fire Key 5 times rapidly within 2 seconds to turn the device on or off. When powering on, the screen will successively display 'SMOK' to confirm the device is active. The same 5-click method is used for both powering on and powering off. (Page 6)
From the official Smok Rpm 40 manual, page 6
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