Ooze Cruze Extract Vaporizer Battery is another high quality 510 battery from the geniuses over at Ooze. The Cruze has a very sleek and futuristic look while remaining very compact which makes it ideal for putting inside your pocket, bag, or any other tight location. The Cruze has a 650mah internal battery which for its size is quite impressive. The battery also features Variable Voltage functionality; 3 clicks of the button will allow you to cycle through the voltage settings. The three voltage settings are 3.5V, 3.8V, 4.2V and are displayed via different colored Led indicators on the front of the device. Another great feature of this device is the 15 second pre-heat function which is activated with 2 clicks of the button. This is great for those of you using thicker oils or on a freezing day when the oils may need a bit longer to heat up. The device is 510 compatible via a magnetic connection, each kit comes with 2 magnetic adapters. Simply attach the magnet to your 510 cartridge and drop it into the battery chamber. Another great feature of the Ooze Cruze Extract Vaporizer Battery is the 12mm chamber opening!