
Sleeve Warmer JAMYJOB PREW for Realistic Pleasure
£34.99

Sleeve Warmer JAMYJOB PREW for Realistic Pleasure
Jamyjob masturbator warmer. You slide it into the masturbator and it heats to 40 °C in under five minutes. It runs on a USB cable and keeps the temperature until you are ready to use it.
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Jamyjob PREW 40 °C in under five minutes.
Warm up your Jamyjob masturbator before you use it, so it isn't cold. It is 20 cm long, with 15 cm that goes inside, and it sits on non-slip pads. It switches off automatically so it doesn't overheat.
- 40 °C
- USB cable
- Keeps the heat
- Non-slip base

The essentials
Jamyjob PREW: what you need to know before you buy
Is it for you?
Who the Jamyjob PREW is for, and who it isn't
It suits you if…
- You have a Jamyjob masturbator and don't like using it cold.
- You want it to heat up quickly, in under five minutes.
- You prefer it to hold its temperature while you get ready.
Better look elsewhere if…
- You want to use it away from a plug socket or a USB port. It runs on a cable.
- You want something that can get really wet, because this one can't be submerged.

Size and measurements
Jamyjob PREW size
It is 20 cm (7.9 in) long in total, a bit longer than a medium banana. The part that goes inside is 15 cm (5.9 in), about the length of a BIC Cristal pen.
Length, to scale
Medium banana about 18 cm (7.1 in)
This product 20 cm (7.9 in)
A4 sheet (long side) 29.7 cm (11.7 in)
Our usage tips
How to use the Jamyjob PREW
- Connect it with the USB cable.
- Slide it into the masturbator through the opening, with the masturbator clean and dry.
- Wait for it to heat up. It reaches 40 °C in under five minutes and then holds the temperature.
- Take it out and unplug it before you use the masturbator, and touch the inside with your hand to check it isn't too hot.
- Apply lubricant to the masturbator, one that suits its material.
Cleaning
Once unplugged, wipe the outside with a damp cloth and dry it well before you put it away.
Our tips
- Don't put it under the tap or submerge it.
- Don't leave it plugged in unattended.
- Don't use it if the cable or the device is damaged.
- If the masturbator feels too hot, wait for it to cool down before you use it.
Specifications
Jamyjob PREW technical specifications
- Type
- Masturbator warmer
- Temperature
- 40 °C
- Heating time
- Under five minutes
- Power
- USB cable
- Total length
- 20 cm (7.9 in)
- Insertable length
- 15 cm (5.9 in)
- Automatic switch-off
- Yes
- Base
- Non-slip pads
- Brand
- Jamyjob
- Model
- PREW
Questions
Jamyjob PREW: frequently asked questions
What temperature does the Jamyjob PREW masturbator warmer heat to?
40 °C. It gets there in under five minutes and then holds that temperature.
Which masturbators does the Jamyjob PREW masturbator warmer work with?
Jamyjob masturbators. We haven't confirmed whether it suits other brands.
Can the Jamyjob PREW masturbator warmer get wet?
Don't submerge it and clean it with a damp cloth. We haven't confirmed its water resistance.
How big is the Jamyjob PREW masturbator warmer?
It is 20 cm (7.9 in) long in total, with 15 cm (5.9 in) that goes inside.
How is the Jamyjob PREW masturbator warmer powered?
By USB cable. It needs to be connected to heat up.
Does the Jamyjob PREW masturbator warmer switch off by itself?
Yes. It has an automatic switch-off to stop it overheating.
Before publishing this product sheet we check that every figure is in its sources and that what it says holds up. Product sheets that do not pass this check are not published. How we verify information ›
Product sheet updated on 2 November 2026
Questions & Answers
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Reviews
How our reviews work
- We ask customers who bought the product for their opinion once they have received their order.
- Anyone can also leave a review with the form. Every review is checked by hand before it is published, and we do not remove a review for being negative.
- Customer photos are checked one by one before they are published.
- Some reviews were written in another of our stores and are shown machine-translated.







