Features:

• Smart preheat function up to 90 seconds to work well for thick oil especially in Canada cold environment
• 4 Level voltage adjustment, variable voltage: 2.5v (white), 3.0v (blue), 3.5v (green), 4.0v (red)
•  Works with our vape cartridges to produce many type of performance to suit for different oil and customer’s requirements.
• USB charger indicator
• 900 mAH internal rechargeable battery
• 510 Thread connection for universal cartridges
• Safety protections: Over current/ over charge/ short circuit/ low voltage/ over discharge