Brass Knuckles bring you ease of use with their 510 battery. Coming in with a whopping 900mAh battery, this device will last many uses in between charges. Features multi heat levels for desired performance by pressing the fire button 3x, ranging from 2.4v, 3.2v, 4.0v. This device also features a preheat function, simply double tap the fire button 2x and it will preheat your cartridge for 10 seconds. Micro USB port located at the bottom of the device for ease of charging.
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