Does this require oil?

Thank you for asking. Yes, you need to apply the oil to the trimmer before and after each use for lubrication. Part number for it is WER203X7910. You can find it here: panasonic.encompass.com/item/10387510/Panasonic/WER203X7910/

When i go to the barbor, i ask for a 3.5. does that mean 3.5mm? or is 3.5 different with this trimmer compared to a barber 3.5?

Yeah heart like an ostrich has more of the brain of an ostrich. He some how says that 1 inch is 25.4mm But, then contends that 3 inches is somehow equal to 10mm. Besides that. This product is a scam. You can buy a much cheaper version by the same company that has the same total length of dial settings, 1mm to 10mm, in a 19 setting dial. This one technically has more options, but more settings isn't always better. Seriously who's looking at anyone's beard that closely. The addition of the blade guards is just a real kick in the teeth. If you like to keep your beard longer like I do. You can buy a very nice trimmer that will come with blade guards of various sizes that'll do just as good of a job as this overpriced piece of junk for 1/3 of this price. My advice is don't waste your money here, this is an over engineered, way to expensive product that won't do you any better than it's counterparts. Don't waste your money on things that, claim to have more features, when their proformance is going to be the same. I also just have to point out that, Heart like an ostrich also gave specs about Wahl products when this product is clearly Panasonic, further confirming their lunacy.

As this is a washable unit, does it need a protective oil or some other maintenance to prevent rusting?

Why does this need blade oil and other brands do not?

Beard Trimmer For Men Cordless Precision Power Hair Clipper Comb

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€ 230.77

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✂️ Trim sharp, look sharper — your grooming game just leveled up!

TAILORED TO YOU - 19 adjustable length settings let you sculpt your signature style with unmatched accuracy.
ANYWHERE GROOMING - Cordless operation offers 60 minutes of uninterrupted trimming freedom—plug in for extended sessions.
ERGONOMIC CONTROL - Rubberized grip ensures comfort and precision, empowering you to master every detail with confidence.
EFFORTLESS CLEAN UP - Fully washable design means quick rinsing under water, keeping your trimmer fresh and hygienic.
PRECISION POWERHOUSE - Experience ultra-sharp grooming with 9,800 cuts per minute linear motor for flawless results every time.

The Panasonic ER-SB40-K Beard Trimmer combines a high-performance 9,800 cuts/min linear motor with 19 adjustable length settings and ultra-sharp hypoallergenic stainless steel blades. Designed for cordless convenience with up to 60 minutes runtime and full washability, it offers ergonomic control and precision grooming for men who demand style and efficiency. Awarded by GQ in 2017, this trimmer is travel-ready with universal voltage and includes essential accessories for a complete grooming experience.

Specifications

ASIN	B075LNDSB7
Are Batteries Required	Yes
Best Sellers Rank	#7,871 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #11 in Beard Trimmers
Blade Material	Stainless Steel
Brand	Panasonic
Brand Name	Panasonic
Cable Feature	Detachable
Color	Black
Connector Type	AC power adapter
Customer Reviews	4.5 out of 5 stars 2,090 Reviews
Global Trade Identification Number	00885170319134, 50885170319139
Hair Type	All
Included Components	AC Adapter/Charger, Beard Trimmer, Blade Oil, Cleaning Brush, Comb Attachment
Item Dimensions	1.78 x 1.89 x 7.05 inches
Item Nype Name	Panasonic Beard Trimmer for Men Cordless Precision Power, Hair Clipper with Comb Attachment and 19 Adjustable Settings, Washable, ER-SB40-K
Item Weight	2.88 ounces
Manufacturer	Panasonic
Manufacturer Part Number	ER-SB40-K
Manufacturer Warranty Description	2 year manufacture
Material	Plastic, Stainless Steel
Material Type	Plastic, Stainless Steel
Maximum Cutting Length	10 Millimeters
Minimum Cutting Length	0.5 Millimeters
Model Name	SB40
Model Number	SB40
Number of settings	19
Other Special Features of the Product	Ergonomic, Rechargeable, Travel Size, Washable
Power Source	Corded Electric
Recommended Uses For Product	Beard,Sculpting,Grooming,Styling,Mustache,Head,Neck
Specific Uses For Product	Light Shaping, Outlining, Sculpting, Trimming
Target Audience	Men
UPC	760575296368 885170319134
Unit Count	1 Count

Reviews

D**E

17.01.2026

K**A

7.04.2019

J**T

26.02.2026

M**M

3.01.2020

J**S

7.10.2019

S**M

31.01.2026

A**R

13.02.2026

D**I

26.12.2024

A**S

9.03.2026

L**.

13.09.2022

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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