350mah 650mah Preheat CBD TWIST BATTERY

1. Cool Handwritting Pen:
2. Charming LED Light Indicator:
   The built-in LED light will be turned on/off automatically to mimic real smoking.
3.Health Power-Off Function:
   vaping more than five seconds at a time, the LED light will flash three times then the power will be switched of automatically to protect your heath and the cartridge.The power will resume    automatically when you start to vape a new device
4.Low-Voltage Alarm System:
   When the vape pen battery voltage is lower than 3.3v,the low voltage alarm function will be functioning, with indicator light flashing 10 times continually to remind customers to charge the battery.
5. Easy Charging Process:
   Connect the adapter through USB,The charging indicator light will change from green to red. when the charging is complete, the indicator light will turn green again.