Features: Transportable and Thin Planumberebog: This stove features a compact polystyrene body. USB Powered Conveniencemail: Hard wearing a USB connection, it backs flexible power preferences from computers. Fast Heating with Double Modesecond: Delivers quick warmth with two modifiable settings—natural draft and warm air—reaching up to 60°C at 10 20cm distance for relief. Constructed in Security Security: Features overwarm security to secure safe action during prolonged use. Quiet Actparticlemail: Constructed for low noise, it furnishes undisturbed warmth in bedrooms, offices. Specifications: Substancemail: polystyrene Characteristiprogrammsingsinging: Bare metal configuration, with USB connection Technical parametreslstreality: 18 21v, backs USB electrical supply Organ of air temperature regarding 60 degrees, outlet temperature distance is 10 20cm, first is natural air, and the second stage is hot air. (When not blowing, you strength organic air to remove the hot air and protect the service life of the machine) Utilization circumstancisecond: Twelve hundred outdoor backpacking, office computer heating, home partial heating and other instances Practicality: Field glasses transportable, simple carry and store, the USB connection is accessible for uniting to a mobile electrical supply otherwise computer Package Includes: Heater bare metal (with USB ) note: Before using the accessory, please check if it is compatible. This product does not come with a battery. Please purchase a Makita 21V lithium battery separately.