G Pen Pro

G Pen Pro Herbal Vaporizer / Grenco Science
G Pen Pro Herbal Vaporizer / Grenco Science

The G Pen Pro by Grenco Science is a sleek, durable, and compact dry herb vaporizer. It has a ceramic oven that can hold about 0.25 grams of ground-up herbs of your choice. The silicone mouthpiece makes the draw much more comfortable and smoother. With three temperature settings to choose from, you have the flexibility to control your vape session.

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57,62 € 82,22 € Converted from USD 63,04 Coupon code GPENPROVS (save $26.91) Buy Now ↻ July 18, 2024, 3:40 pm

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By Vapospy Team on January 4, 2023 -
Updated on July 8, 2024

Grenco Science is a company with a dedicated focus on making vaporizers functional and convenient. Take a quick look at their other products like the GPen Roam and the GPen Connect.

They always make great beginner vape, and the GPen Pro is a perfect pen for dry herb enthusiasts. Its attractive design, solid foundation, and quick heat-up time are just a few of its appealing features.

Generous size chamber

The ceramic chamber is accessible by removing the vaporizer’s mouthpiece. You’ll find a nice-sized oven that heats up and holds 0.25 grams of your most delicious herb.

Included in the box is a pen tool that helps you pack the herb into this chamber appropriately, giving you longer sessions without the annoyance of having to stop and stir your chamber contents.

Formatted with LED lights

You’ll see four little dots above the “G” logo on the front of the vape pen. These lights serve many valuable purposes. First, all these lights blink when the pen’s charging. Once the lights stop flashing and stay solidly lit, you’ll know it’s fully charged.

When you’re ready to vape, turn on the device and hold the button down for 3 seconds. The colors will change to indicate a specific temperature setting.

Solid battery life

Upon arrival, you charge the pen using the USB charger with your purchase. It only takes 2 to 3 hours to charge fully; all the blinking white LED lights turn solid.

Also, this device automatically shuts down within 3 to 4 minutes of inactivity. Not only does this preserve the battery life, but it also times your session.

Three temperature settings

You can adjust the temperature on this G Pen Pro by holding the start button. When all four LED lights turn ‘blue’ the temperature has reached 375°F.

Hold the button again to increase the temperature and wait for the lights to turn green. The ‘green’ setting is 400°F.

And finally, the hottest setting is red, which is very fitting. The temperature on ‘red’ is 428°F.

G Pen Pro Video

This helpful video will provide all the information you need to charge, clean, and enjoy your G Pen Pro.

What’s in the box?

  • 1x G Pen Pro
  • 1x USB Charging Cable
  • 1x User Manual
  • 1x Cleaning Brush
  • 1x Pen (Packing) Tool


  • Brand / ManufacturerGrenco Science
  • Type:
  • Features: Automatic shut-off
  • Usage: Dry Herbs
  • Mouthpiece material:Plastic
  • Heating Technique: Conduction
  • Temperature control:Preset Temperatures
  • Energy Source: Battery
  • Material:Aluminum
  • Average battery life:60 minutes
  • Delivery Method:Direct
  • Chamber/oven material:Ceramic
  • Origin:USA
  • Temperature Settings:3 settings : 375°F, 400°F and 428°F
  • Heat-up time:< 30 seconds
  • Recharge Time:180 min
  • Chamber capacity:0.25 grams
  • Battery capacity:1300 mAh
  • Warranty:1 year(s)

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