Groove into your vape sesh with the simple and sleek, Groove Bolt. An easy-to-use 510 battery that delivers a smooth and impactful experience, the Bolt features three temperature settings, a charging light indicator, and lasts for 250-260 puffs per full charge for a convenient vaping option at a value price. Features: Variable Voltage 510 Battery 350 mAh Battery   3 Voltage Settings: 2.7v (Green), 3.1v (Yellow), 3.6v (Red) 15 Second Preheat Setting   250 – 260 Puffs (Uses Per Charge)   Micro USB Charging (No Cable Included)  Charging Light Indicator