The Pulsar 510 DL 3.0 Twist Variable Voltage Vape Pen is putting a new twist on this already breezy, breath-controlled vape. The 510 DL 3.0 Twist maximizes stealth and utilizes the power of airflow to grant users full control, no buttons needed. Let customers keep their cartridge use on the DL with this ultra-discreet device. Attach the 510 cartridge by removing the magnetic base, screwing the cart on, and replacing the base securely (fits cartridge diameter up to 14mm). This auto-draw vape will allow your customers to power the device on/off with just a few gentle puffs. Simply take 5 quick puffs to power the vape on and 2 puffs to activate pre-heat mode. The 510 DL 3.0 Twist gives users even more control with an easy-to-use twist dial on the base which allows them to select their preferred setting from the broadest voltage range available in Pulsar's 510 DL lineup (2.8-4.0V). The Pulsar DL includes a USB-C charging cable and will show a green light when fully charged. These pocket-size vapes are perfect for taking inconspicuous hits when out on the town. Specs:   Size: 4.0 x 1.1 x 1.1 inches (101 x 28 x 28mm) Maximum cartridge size: 14mm diameter Battery Capacity: 650mAh Voltage: 2.8V / 3.2V / 3.6V / 4.0V Preheat: Rapidly auto-draw 2 times Adjust voltage: Flex temp dial on the bottom from 2.8V to 4.0V Charging Port: USB-C Kit Includes: Pulsar 510 DL 3.0 Twist battery Bottom magnetic connector USB-C charging cable