Yocan - UNI Pro 650mAh Variable Voltage Cart Battery Mod

Features/Specs: Compact Design Powered by: Built-in 650mah battery Charged through: Micro USB Magnetic 510 connector ring is included Five Click On/Off feature Three Click 10 Second pre-heat feature Preheat functionality Activated by clicking the power button 2 times. Preheat function runs for 10 seconds OLED Display: Battery Level indicator: 1 Bar - 0-25% battery charge 2 Bars - 25%-50% battery charge 3 Bars - 50% - 75% battery charge 4 Bars - 75% - 100% battery charge Atomizer resistance indicator Voltage Indicator Adjustable Voltage Adjusted by pressing the left and right buttons located under the screen Voltage Range: 2.0V - 4.2V Adjustable Cartridge Holder Compatible with atomizers that have a diameter of 6mm-14mm Rotate the adjustment dial to adjust the inner diameter of the UNI to fit the atomizer of your choice. Built-in hanging hole to be used with lanyards or key rings Package Contents:  1 X Uni Box MOD 1 X Magnetic 510 Ring 1 X Micro USB cable