Designed for just about any 510 thread cartridge, experience smooth hits and bold flavor with the featured 1.8V preheat function, accessible with 2 rapid clicks of the power button.

Easily adjust the voltage to your preferred setting with an output range of 2.6V to 4.0V via the twist dial at the base of the battery.

Power on the device with 5 quick clicks, choose your preferred voltage setting, preheat if you wish, then press and hold to inhale.

To recharge, remove your cartridge from the device and replace with the included charger.

The light will indicate red when it is charging and will turn green once fully charged. 

Specifications:

Model: Twist Bold

Output Voltage: 2.6V / 3.3V / 4.0V

Preheating Time: 15 seconds

Preheating Voltage: 1.8V

Thread: 510

Battery Capacity: 480mAh

Finish: Electroplated & Rubber Soft Touch

Package includes a single Twist Bold Pen + USB Charger.