Using the Nerf Pro Gelfire Mythic blaster is easy. First, make sure the 800 - round hopper is filled with the pre - hydrated Nerf Pro Gelfire projectiles. Slide in the rechargeable battery and connect it to a USB - A wall charger (not included) using the USB - A to USB - C cable to charge it up. Once charged, put on the protective eyewear. You can choose between full - auto and semi - auto modes according to your needs. When you're ready for battle, just aim and fire! Remember, this blaster is recommended for outdoor use. Keep it away from small children under 14. After use, clean the blaster with a dry cloth. Store it in a cool, dry place. And don't forget to recharge the battery regularly to keep it in good condition.