Enjoy all of your favorite vape products with our universal 510 thread vape pen and charger. This 350 mAH kit has 3 heat settings to ensure you can have the proper heating for all of your vaping needs. Each setting has a different light color so you can easily tell the difference. Green=3.4V, Blue = 3.7V, and Red=4.0V. Battery charger plugs into any USB port. Laptops and tablets are ideal for charging your Vape Pen. *Please note that using rapid charging devices will damage this product.* Color sent at random.