# vretti 420B 4×6 Thermal Label Printer

The vretti 420B is a monochrome thermal label printer listed with Bluetooth, USB connectivity and an internal holder for up to 500 labels. It is aimed at shipping-label batches rather than everyday document printing, with a claimed 203 dpi resolution and a compact desktop footprint.

- [Original product page](https://bargainpostbox.co.uk/product/vretti-420b-4x6-thermal-label-printer)
- [View offer](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: vretti
- Model: 420B
- Category: Computers > Printers / 3D & Scanners > Printers / 3D & Multifunction
- Price: 74.98 GBP
- Previous price: 94.99 GBP
- Discount: 21%
- Price checked: 2026-11-12T19:09:25.833Z
- Rating: 4.3 / 5
- Reviews: 873

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Internal holder is claimed to accommodate a 500-label roll, reducing the need to replenish labels during a batch.
- The listing describes Bluetooth printing and USB as a wired connection option.
- Direct thermal printing uses heat rather than ink or toner, according to the listing.
- The seller claims print speeds up to 6ips \(152mm/s\).
- This is a label-only printer, not an A4 document printer.

## Pros

- Bluetooth and USB connectivity give a choice of wireless or wired printing.
- An internal label holder is claimed to hold a roll of up to 500 labels.
- Thermal printing avoids the need for ink and toner supplies.

## Cons

- The printer is limited to monochrome label output and cannot serve as an A4 document printer.
- Thermal output requires compatible thermal label stock.

## Specifications

### Identity
- Brand: vretti
- Model: 420B
### Printing
- Printing technology: Thermal
- Output: Monochrome
- Print resolution: 203 dpi
- Media: Labels
- Maximum supported paper size: 4 x 6 inches
- Maximum sheet capacity: 500
- Print function: Print Only
- Duplex: Simplex
### Connectivity and compatibility
- Wireless connection listed: Bluetooth
- Compatible devices: Laptops, PC, Smartphones, Tablets
### Dimensions and installation
- Dimensions listed: 21.5D x 17.8W x 15.5H centimetres
- Weight listed: 1.35 Kilograms
### Power and design
- Power consumption listed: 60 Watts
- Colour: Black
- Colour depth: 1 bpp
- Number of trays: 1
- Warranty type: Limited

## Before you buy

- The listing's technical details specify a maximum supported size of 4 x 6 inches, while feature text claims stock widths of 25.4-116mm and lengths up to 70 inches. It also variously claims a built-in 500-label holder and describes a small test roll in the box, so confirm compatible media dimensions and the selected listing's holder configuration before purchase. The claimed speed and supported printer languages are listing claims, not independently verified.

## In the box

- Small test label roll (Included)
- Power adapter (Included)
- Power cord (Included)
- Setup guide (Included)
- USB cable (Included)

## A good fit for

- Small businesses and home sellers printing batches of shipping labels.
- Buyers who want Bluetooth or USB connections for a dedicated label printer.
- Users seeking monochrome thermal labels without ink or toner.

## Less suited to

- Anyone needing A4 documents, colour printing or general-purpose office printing.
- Buyers who require confirmed compatibility with a specific label format or shipping workflow without checking the listing details.

## Customer feedback

Customer feedback commonly describes straightforward setup, clear output and quick printing, with some users reporting that it works within minutes of unpacking. The reported experience with 4×6 label printing is mixed, which matters for a model whose listed maximum supported paper size is 4 x 6 inches. These comments are customer perceptions, not a guarantee of results with every label stock or setup.
- Positive themes: Customer feedback highlights easy setup and clear, fast label output.
- Mixed feedback: Feedback on label printing is mixed, including reports of issues with 4×6 labels.

## Frequently asked questions

### Can the vretti 420B print A4 documents?
No. The listing describes it as a labels-only printer and says it cannot print A4.
### What connections are listed?
Bluetooth is the stated wireless connection. The feature text also claims USB 2.0 wired connectivity.
### Does it need ink or toner?
The listing describes direct thermal printing, which uses heat and does not require ink or toner.
### What label sizes does it support?
The technical details list a maximum supported size of 4 x 6 inches, while feature text claims widths from 25.4-116mm and lengths up to 70 inches. Check the selected listing and media compatibility before buying.

## Alternative options

- [4x6 Thermal Label Printer with Built-in Label Holder, Bluetooth & USB \| Inkless Printing, Fast Setup, Wireless Printing, Cost-Effective Shipping Solution for Small Business, & Home Offices](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [MUNBYN Shipping Label Printer Bluetooth, Postage Thermal Label Printer 4x6 for Business, Compatible with Etsy, Shopify, Royal Mail, DHL, DPD, Evri, with 25 Labels, 130B, Black](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [Direct 4"x6" Thermal Labels 6 Rolls 1500 Labels White Printer Thermal \| Shipping for Address Shipping Postage USPS UPS Zebra Toshiba Citizen Eltron and Orion Printers](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [MUNBYN Shipping Label Printer, 411B, Black \| Thermal Label Printer 4×6, Compatible with iPhone, Android, Windows, macOS, Royal Mail, DHL, DPD, Evri](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [JADENS Bluetooth Thermal Label Printer, 4x6 Shipping Label Printer, 50 Labels Included, Compatible with Hermes, Royal Mail, DHL, DPD, Evri, Amazon, Shopify](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [HotLabel Thermal Printer, Shipping Label Printer with 100 Labels](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [vretti Shipping Label Printer,Built-in Large label Tray,Bluetooth & USB \| Thermal Label Printer for Amazon, Royal Mail,Vinted，Compatibel with Windows, Mac, Linux,iOS & Android 99.99% Scan Success](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [JADENS 4x6 Bluetooth Thermal Label Printer with Built-in Label Holder \| Inkless Printing, Wireless Printing, Cost-Effective Shipping Label Printer for Small Business, & Home Offices, Fast Setup](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [MUNBYN Shipping Label Printer Bluetooth, Postage Thermal Label Printer 4x6 for Business, Compatible with Etsy, Shopify, Royal Mail, DHL, DPD, Evri, with 25 Labels, 130B, White](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [MUNBYN Bluetooth Shipping Label Printer, 4x6 Thermal Printer, 403B, White \| for Small Business, Compatible with iPhone, Android, Windows, macOS, Etsy, Shopify, Royal Mail, DHL, DPD, Evri](https://bargainpostbox.co.uk/visit/munbyn-rw403b-4x6-bluetooth-thermal-label-printer)
- [SVANTTO Bluetooth Thermal Label Printer, 4x6 Shipping Label Printer \| Wireless label printer for Small Business, Office or Home, Compatible with iPad iPhone Android Windows macOS Chrome, ST423](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [vretti Thermal Shipping Label Printer 4x6,USB Only,No Bluetooth \| Postage Label Printer for Amazon, Royal Mail,Vinted，Compatibel with Windows, Mac OS and Linux, 99.99% Scan Success](https://bargainpostbox.co.uk/visit/vretti-db402-thermal-shipping-label-printer)

## Add-ons

- [Self Adhesive Address Labels, Blank Direct Thermal Label Stickers by Binswloo, 60mm x 30mm, Roll of 800](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)
- [Deco Fluer Self-Adhesive Labels 4"x6" Ideal for Thermal Printer \[Pack of 1-500 Label\]](https://bargainpostbox.co.uk/visit/vretti-420b-4x6-thermal-label-printer)

## Images

![vretti 420B 4×6 Thermal Label Printer — 1](https://bargainpostbox.co.uk/i/zhZSx4bZ47CB59p6pYzQTe9_53ER7TUuMY_F3MxWG9KTE8-UG4LEW90HMvIevPjZPUoiX4oUsLlq_BpeIo8P8uvIp39Ou6nMGaLGpzK5_CH_fQETj_SmUAlQ.jpg)

![vretti 420B 4×6 Thermal Label Printer — 2](https://bargainpostbox.co.uk/i/OUAn_hVPRpJzuP2QxrrcOwisS1j7kmAw9HsZNVf7TEfjjhjeI5PFk4GjERs4C8w7Fph1bohi7Ic2pARfURakOAeYrVW7Gt63ZbVt7pYUgRfNzAXWrX4Ac1di.jpg)

![vretti 420B 4×6 Thermal Label Printer — 3](https://bargainpostbox.co.uk/i/RmGQTJGVtUu80e_LcNX34SN939LlUyFVmil4KH8XcsWBkum3Wpis41I1b1NUkYVGb-KtXqJBPsM85qa5P0u3poxEcfRjeURFXWvmBc7ByKV_bOC2XzuXjcGT.jpg)

![vretti 420B 4×6 Thermal Label Printer — 4](https://bargainpostbox.co.uk/i/knYCNTlJFSVVGdFf6AeqrrvtqrPxGLtUmPYgRre1LIod941iK4z6dJn2qUM1hryDLHGhoyAeA9ZzMvG9AMdsfuCT1DEteTkTl0Anmh--pMdfYH_ZHjQgLQ3r.jpg)

![vretti 420B 4×6 Thermal Label Printer — 5](https://bargainpostbox.co.uk/i/6PD8-asn0i3avPRf4-TgaHLyBVDcdy9DwXmzfu9AyXbZ3GDhDldyJMFDyQK_42YpreXDu13od9X7Lo5UAN3gBJDFTOO9C8rHqLpQa_gGKlWEsahrNhVxiyQX.jpg)

![vretti 420B 4×6 Thermal Label Printer — 6](https://bargainpostbox.co.uk/i/AZduJLYX77yuE7xp7a_U-dLX9h67jW397NR0oQRldCEfEnaWlVaHLVTCOkNwE-Qo6UX5n5Wfqnhxfmi5MKzJv5YZX-aiTsJZeV2JqhBZes5qSY5nWBJCqUIq.jpg)

![vretti 420B 4×6 Thermal Label Printer — 7](https://bargainpostbox.co.uk/i/sOFnnmxgGC7geyVVg3KoJucXGOLE67xb-9kvUNpUtz9x4p3HEnv2tz0x6mDluFuEO9nvnMs1Ah4vuTQXT2PEh-DNS8LQjEhU04yNmNODOjjvOBFgVYc8C3Tz.jpg)