Nelko P21 Label Maker
- 203 DPI direct thermal, no ink or toner
- 14 x 40, 14 x 50, 14 x 75 mm fixed-length labels
- 3 rolls of 14 x 40 mm included, 100 sheets each
- Phone only: iOS and Android by Bluetooth, no computer
- Black print only, color comes from patterned tapes
- 0.25 kg, rechargeable built-in battery
- 1 year warranty
Updated 25 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A pocket label printer that runs from a phone app and needs no ink. It prints only pre-cut labels and will not connect to a computer, so it suits small organizing jobs rather than office mail runs.
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ASIN: B0FH4KHRQ5Model: P21Category: Label Printers
Colors Available
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Overview
Not a keyboard label maker or a desktop shipping printer, the Nelko unit is a small Bluetooth thermal printer driven entirely from a phone app. Pre-cut label rolls load inside, and the app lays out text, codes, icons and borders before printing in black.
Portability and an app full of templates make quick work of pantry jars, school supplies and file tabs. The limits are firm: no computer support, no continuous tape and black output only, so it cannot grow into a shipping or barcode workstation.
Who it's for
Home organizers, classrooms and small craft sellers who design on a phone get a fast, ink free labeler. People who work from a computer or need long continuous strips should look elsewhere.
Pros and cons
- No ink or toner to replace
- Pocket size and light
- Large app library of icons and templates
- Prints QR codes and barcodes
- Does not work with computers
- Continuous label tapes not supported
- Charging adapter not included
- Not compatible with Google phones on Android 14
Performance notes
Direct thermal printing darkens heat-sensitive paper, so print quality depends on using matched thermal labels and an intact registration sticker on the roll. The modest dot density handles text and codes cleanly but limits fine detail on tiny type. Fixed label lengths mean the app sets the canvas to the loaded roll.
Specifications
| Brand | Nelko |
|---|---|
| Model | P21 |
| Dimensions & fit | |
| Item Dimensions D x W x H | 3.74 x 1.65 x 6.3 inches |
| Maximum Media Size | 14x75 mm |
| Paper Size | 14x40, 14x50, 14x75 mm |
| Item weight | 0.25 kg |
| Capacity & performance | |
| Printer Output Type | Monochrome |
| Construction & materials | |
| Ink Color | Black |
| Color | White |
| Compatibility & installation | |
| Printer Connectivity Type | Bluetooth |
| Compatible Devices | iOS and Android smartphones |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Maximum Print Resolution Black and White | 203 dpi |
| Resolution | 203 x 203 |
| Printer Type | Thermal |
| BuiltIn Media | 3 rolls of 14x40 mm labels, 100 sheets each |
| BW Pages per Minute | 30 |
Frequently asked questions
What comes in the box with the Nelko P21?
The printer and 3 rolls of 14x40 mm labels with 100 sheets each. A charging adapter is not included.
Can the Nelko P21 print from a Windows PC or Mac?
No. It works only with iOS and Android phones through the Nelko app over Bluetooth.
Does the Nelko P21 use continuous tape?
No. Labels are fixed lengths such as 14x40, 14x50 and 14x75 mm. Continuous tapes are not supported.
Can it print in color?
No. It prints black only. Colored labels come from color pattern label tapes.
What should I avoid when loading the rolls?
Do not tear or damage the green sticker on the back of the label strip, as it affects printing.