510 Threaded Battery Blue Christmas Tree Starter Kit

510 Threaded Battery Blue Christmas Tree Starter Kit   Our one of a kind "Blue Christmas Tree Battery Starter Kit" is a slim yet powerful 510 battery, this 510 pen comes with a 350mAh built-in high quality Lithium battery which will last you all day long. It offers 3 voltage presets that ensure a smooth experience no matter how thick or thin the oil, wax, and concentrate may be. Compatible with all 510 threaded cartridges.     510 Battery Starter Kit Includes:   -510 Thread Battery and USB Charger   Not Included:   -510 Cartridge Sold Separately    510 Pen Starter Kit Main Features:   Button Pen - Press button for on/off, preheat and volt adjustment.   On/Off - Press button 5 times for on/off.   Variable Voltage - Press button 3 times to adjust volt: 2.6v green, 3.3v blue, 4.2v red.   Preheat Function - Press button 2 times to preheat. Press button 1 time to stop preheat.   Battery Level Indicator - Press button to see battery level: Green Full; Orange Med; Red Low   Specifications:Len