Gel Blaster Gun ST604B

. Hydrate the Gel BallsBefore you can fire the blaster, you must prepare the "gellets":Soaking: Submerge the dry gel beads in clean water for at least 4 hours (some sources recommend 5 hours) to allow them to reach their full size of 7–8mm.Straining: Once they are fully expanded, strain off all excess water. Using wet or undersized gel balls can cause the gun to jam or malfunction.2. Charge and Install the BatteryCharging: Use the included USB cable to charge the battery. A full charge typically takes about 90 minutes.Avoid Overcharging: Do not leave the battery charging overnight, as this can damage the lithium cells.Installation: Open the battery compartment (usually located in the handle or the buttstock) and connect the battery to the blaster's internal plug.3. Load the MagazineFilling: Open the hatch on the magazine (or "clip") and pour in the hydrated gel balls.Attachment: Slide the magazine into the receiver until it clicks into place.4. Firing ModesThe ST604B is a versatile "2-in-1" blaster:Automatic Mode: Flip the power switch to "ON." Pull and hold the trigger for continuous rapid fire (up to 300 rounds per minute).Manual/Dart Mode: This model often includes a secondary function to launch soft foam darts. Switch to the manual setting to fire single shots.Maintenance & SafetySafety Gear: Always wear the protective goggles included in the kit.Storage: After use, remove the battery and empty any remaining gel balls from the magazine. Leaving wet gel balls in the gun can lead to clogs or mold.Dry Firing: Avoid pulling the trigger when the magazine is empty, as "dry firing" can wear down the internal gearbox