Vapmod Magic 710 is a discreet battery for 510 threaded herbal concentrate cartridges. It features an M7 magnetic connection adapter that fits most cartridges available on the market with a diameter up to 11mm. The Magic 710 utilizes a button-free draw-activated system, so you don't need to click the fire button to start vaping. A 380mAh built-in battery is enough for you to vape throughout the day. Vapmod Magic 710 battery has a fixed 3.5V constant output and an atomizer resistance of 1.0 to 3.0 ohm. The Magic 710 comes with over-charge protection, over-discharge protection, over-current protection, short-circuit protection, and over-voltage protection. All these parameters end up in this highly portable, very affordable and stealthy vaping device, The Magic 710 is an excellent option to enjoy your favorite cartridges on-the-go!