The Kind Pen Twist Variable voltage battery is compatible with most 510 Cartridges. Don’t overcook your delicate oils and no more tapping buttons to adjust temp with The twist – variable voltage battery, simply TWIST to your desired setting!
- 2 Click PreHeat Setting(2.0v) – Great for thick oils
- Twist Variable Voltage(2.0v- 4.0v)
- Temp Control 400mAh Battery w/ Preheat
- LED Lighting
- 5 Click On/Off – Safety Feature
- Universal USB Charging