With the Braun BT3420, you can create clean lines and trim your beard. That's because it includes 2 precision comb attachments. The beard comb is for lengths between 0.5mm and 10mm. Do you have a longer beard? Use the hair comb attachment for lengths between 10.5mm and 20mm. You can adjust the length of the beard trimmer very precisely via the dial with steps of 0.5mm. The trimmer is wireless, so you have a lot of freedom of movement. A full battery lasts 50 minutes. After use, remove the hairs with the included cleaning brush. You can clean the trimmer head and attachments under the faucet as well.
With the Braun BT3420, you can create clean lines and trim your beard. That's because it includes 2 precision comb attachments. The beard comb is for lengths between 0.5mm and 10mm. Do you have a longer beard? Use the hair comb attachment for lengths between 10.5mm and 20mm. You can adjust the length of the beard trimmer very precisely via the dial with steps of 0.5mm. The trimmer is wireless, so you have a lot of freedom of movement. A full battery lasts 50 minutes. After use, remove the hairs with the included cleaning brush. You can clean the trimmer head and attachments under the faucet as well.
Braun Beard Trimmer 3, Grey BT3420
With the Braun BT3420, you can create clean lines and trim your beard. That's because it includes 2 precision comb attachments. The beard comb is for lengths between 0.5mm and 10mm. Do you have a longer beard? Use the hair comb attachment for lengths between 10.5mm and 20mm. You can adjust the length of the beard trimmer very precisely via the dial with steps of 0.5mm. The trimmer is wireless, so you have a lot of freedom of movement. A full battery lasts 50 minutes. After use, remove the hairs with the included cleaning brush. You can clean the trimmer head and attachments under the faucet as well.
With the Braun BT3420, you can create clean lines and trim your beard. That's because it includes 2 precision comb attachments. The beard comb is for lengths between 0.5mm and 10mm. Do you have a longer beard? Use the hair comb attachment for lengths between 10.5mm and 20mm. You can adjust the length of the beard trimmer very precisely via the dial with steps of 0.5mm. The trimmer is wireless, so you have a lot of freedom of movement. A full battery lasts 50 minutes. After use, remove the hairs with the included cleaning brush. You can clean the trimmer head and attachments under the faucet as well.
in 18 offers
The lowest price for Braun Beard Trimmer 3, Grey BT3420 right now is $59.00 at Harvey Norman, compared across 16 retailers.
The all-time low was $32.09 on 10 Oct 2025 — today's price is 84% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 31 July 2026.
Last updated at 31/07/2026 18:13:36
Braun Series 3 Beard Trimmer
Delivery between 4–11 Aug $7.95
Braun Series 3 BT3420 Beard Trimmer Cordless & Rechargeable Hair Clipper - Washable Trimmer Head & Comb - Long Lasting Battery
Delivery between 5–10 Aug $9
Braun BT3420 Series 3 Beard Trimmer
Free delivery between 5–11 Aug
Braun Series 3 BT3420 Beard Trimmer Cordless & Rechargeable Hair Clipper -
14-day returns
Braun BT3420 Series 3 Beard Trimmer
Free delivery
Braun Series 3 BT3420 Beard Trimmer Cordless & Rechargeable Hair Clipper - Washable Trimmer Head & Comb - Long Lasting Battery [BT3420]
Free delivery between Tue – Wed
Braun BT3420 Series 3 Beard Trimmer
Free delivery between Tue – Wed
Braun BT3420 Series 3 Beard Trimmer
Delivery $10
Braun BT3420 Series 3 Beard Trimmer
Delivery $10
Braun BT3420 Series 3 Beard Trimmer
Free delivery
originally posted on shavershop.com.au
Once you work out how to use it for trimming your moustache, works well.
| Warranty (Years) | 2 |
Braun Series 3 Beard Trimmer
Delivery between 4–11 Aug $7.95
Braun Series 3 BT3420 Beard Trimmer Cordless & Rechargeable Hair Clipper - Washable Trimmer Head & Comb - Long Lasting Battery
Delivery between 5–10 Aug $9
Braun BT3420 Series 3 Beard Trimmer
Free delivery between 5–11 Aug
Braun Series 3 BT3420 Beard Trimmer Cordless & Rechargeable Hair Clipper -
14-day returns
Braun BT3420 Series 3 Beard Trimmer
Free delivery
Once you work out how to use it for trimming your moustache, works well.
| Warranty (Years) | 2 |
