Marklife X4 Bluetooth Thermal Label Printer – 4x6 Desktop
Marklife X4 Bluetooth Thermal Label Printer – 4x6 Desktop
Marklife X4 Bluetooth Thermal Label Printer — Compact Desktop Powerhouse
The Marklife X4 Thermal Label Printer is the ultimate desktop companion for home offices, small businesses, and e-commerce sellers who need fast, reliable 4×6 label printing without the hassle of ink or toner. With seamless Bluetooth and USB connectivity, automatic label recognition, and a compact footprint of just 130×94×61 mm, the X4 delivers professional-grade labels at up to 150 mm/s — getting your packages out the door faster than ever.
Key Features
- Automatic Label Recognition — Smart sensors detect label edges, gaps, black marks, paper-out status, and cover-open events for a truly hands-free workflow.
- Dual Connectivity — Connect via Bluetooth (using the free Marklife APP on your smartphone) or USB for Windows 7/8/10/11 desktops. (Mac users will need a separate adapter.)
- Fast 150 mm/s Print Speed — Print up to 20 pages per minute at a crisp 203 dpi (8 dots/mm) resolution — ideal for shipping labels, barcodes, and QR codes.
- Wide Label Compatibility — Supports label widths from 1" (25.4 mm) to 4.6" (116 mm) and lengths up to 300 mm. Works with folded paper, roll paper, die-cut labels, and black mark paper.
- Barcode Ready — Supports a wide range of 1D barcodes (Code 39, Code 93, Code 128, UCC Code 128 subsets A/B/C) and 2D QR codes.
- Inkless Direct Thermal Printing — No ink cartridges, no toner, no ribbons — ever. Powered by a 32-bit RISC CPU for smooth, consistent output.
- Universal Voltage — 100–240 V input makes it suitable for use worldwide.
- CE Certified for safety and compliance.
Technical Specifications
| Print Method | Direct Thermal |
| Resolution | 203 dpi (8 dots/mm) |
| Max Print Speed | 150 mm/s / 20 ppm |
| Label Width | 25.4 mm – 116 mm |
| Max Label Length | 300 mm |
| Paper Thickness | 60 µm – 220 µm |
| Interface | USB, Bluetooth |
| Processor | 32-bit RISC CPU |
| Voltage | 100–240 V / DC 24 V 1.5 A |
| Dimensions | 130 × 94 × 61 mm |
| Certification | CE |
| Country of Origin | Made in Mainland China |
What's in the Box
- Marklife X4 Thermal Label Printer × 1
- Power Adapter × 1
- USB Cable × 1
- Multilingual User Manual × 1
Important Reminder: Please read the multilingual manual carefully before use. When installing the driver on Windows, temporarily disable your antivirus software for a smooth installation. Mac users will need to source a compatible adapter separately.
Perfect For
- Shipping labels for e-commerce orders (Shopify, eBay, Etsy, Amazon)
- 4×6 mailing package labels
- Inventory and warehouse barcoding
- Home office organization and address labeling
- Small business product labeling
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Frequently Asked Questions
Q: Does the Marklife X4 thermal label printer work with smartphones?
A: Yes! The Marklife X4 connects wirelessly to iOS and Android smartphones via Bluetooth using the free Marklife APP. Simply download the app, pair your phone, and start printing 4×6 shipping labels or custom labels instantly — no computer needed.
Q: What label sizes are compatible with the Marklife X4?
A: The Marklife X4 supports label widths ranging from 1" (25.4 mm) up to 4.6" (116 mm), and label lengths up to 300 mm. It is compatible with folded paper, roll paper, die-cut labels, and black mark paper — making it highly versatile for mailing, barcoding, and product labeling applications.
Q: Does the Marklife X4 require ink or toner cartridges?
A: No — the Marklife X4 uses direct thermal printing technology, which means it produces labels using heat rather than ink, toner, or ribbons. This eliminates ongoing consumable costs and keeps maintenance minimal.
Q: Is the Marklife X4 compatible with Mac computers?
A: The Marklife X4 can be used with Mac computers, however a compatible adapter (not included in the package) will be required. For Windows 7, 8, 10, and 11, simply install the included driver via USB for full functionality.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.