Buttons, charging and battery life.
1.I) Long press the button for 2s to turn on. II) Press briefly to select the heat mode.
2. Safety Lock: Lock when idle to: I)hold charge II)prevent accidental activation
NOTE: When locked, product can NOT power on; unlock to enable.
3. Charging with a 25W+ adapter: 2.5-3 hours. Using other devices prolongs the process.
4. Battery life might be short initially, but it improves after the third charge. When orange light blinks, can also use about 10 minutes.