Product Review

INSTRUCTIONS: Preheat with 2clicks LED button 5clicks on button to power on and off Adjustable voltage by click button 3times

3Colors changeable when different voltage.

SPECIFICATIONS: Model - Preheat battery Feature - Adjust voltage battery with preheat function Diameter - 11mm Length - 87mm Battery Capacity - 380mah/650mAh/900mAh/1100mAh Type - Rechargeable Thread - 510/ego Battery Voltage - 3.4V-4.0V Battery Life - More than 300 times 3colors adjustable voltage - When 3.4v, LED green, when 3.7v, LED blue; when 4.0V, LED red Color