2. Guide the gas tank into the air hole, and press down to inflate. 3. After about 10 seconds, gas filling can be completed. Wait a few minutes until the gas is stable before use. 4. If there is a hissing air out sound at the tail after the gas is injected, it can be eliminated by slightly pressing the pen tip into the air inlet. Gas Filling:1. Fill , and make sure the switch is turned off at OFF, then supplement. Colour:As Shown;Material:Silicone + Metal, Manufacturer: Mcnhbdgg
2. Guide the gas tank into the air hole, and press down to inflate. 3. After about 10 seconds, gas filling can be completed. Wait a few minutes until the gas is stable before use. 4. If there is a hissing air out sound at the tail after the gas is injected, it can be eliminated by slightly pressing the pen tip into the air inlet. Gas Filling:1. Fill , and make sure the switch is turned off at OFF, then supplement. Colour:As Shown;Material:Silicone + Metal, Manufacturer: Mcnhbdgg
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