Braun Series 3 BT3520 Beard Trimmer
- 40 length settings in 0.5mm increments
- 50 minutes cordless battery life
- Precision wheel for length control
- Trimming, contouring and detailing tools
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A cordless beard trimmer with a precision length wheel and styling tools for edges and details. The listing does not say whether it is waterproof or how it charges.
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ASIN: B0DQWFZ38MModel: Series 3 BT3520Category: Beard & Mustache Trimmers
Overview
Not a foil shaver for a smooth face, the Braun Series beard trimmer is a cordless tool with a precision wheel that sets the cut length. An ultra-sharp blade captures thick hair and matching tools handle contours and details.
Fine length control on a simple wheel makes even beard lengths easy to repeat. Washability, charging time and cutting range are missing from the listing.
Who it's for
Weekly beard maintenance and edge tidying at the sink. Those who want to trim in the shower should look for a labeled waterproof model.
Pros and cons
- Precision wheel with fine steps
- Sharp blade for dense hair
- Contouring and detailing tools
- Waterproof status not listed
- Charging time not given
- Cutting range not stated
Performance notes
Length consistency comes from the wheel setting the comb height in small steps. Blade sharpness decides how cleanly coarse hair is cut on the first pass, which reduces pulling.
Specifications
| Brand | Braun |
|---|---|
| Model | Series 3 BT3520 |
| Power Source | Battery, cordless |
| Target Audience | Men |
| Included Components | Trimming, contouring and detailing tools |
| Length settings | 40 settings in 0.5mm increments |
| Battery Average Life | 50 minutes |
Frequently asked questions
What comes in the box with the Braun Series 3 BT3520?
The bullets mention matching tools for trimming, contouring and detailing. A full parts list is not given.
Can the Braun Series 3 shave to bare skin?
The listing describes it as a beard trimmer with length settings. It is not described as a shaver.
How long does the battery last?
50 minutes of cordless use.
How fine are the length steps?
40 settings in 0.5mm increments.