ONE BUTTON TO ADJUST It is convenient that speeds be changed just need one button. There are 3 gears with speeds of 5000-10000-18000 r/min. The speed of the pen engraver can be adjusted according to the needs of carving. Generally, fast speed for glass or ceramic, low speed for metal or wood.
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INTELLIGENT POWER-OFF The cordless engraving pen is equipped with a built-in overload protection chip. When the load resistance is too large, it will automatically cut off the power for self-protection to avoid damaging the motor.
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PORTABLE USB RECHARGING The engraver pen is equipped with a Lithium battery and is rechargeable by USB interface. Charge 80% in 30 minutes, charge 100% in 60 minutes. This engraving machine can be used for more than 2 hours after being fully charged.
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