SPECIFICATIONS

The POLONO A4 Portable Inkless Thermal Printer is a compact, wireless document printer designed for users who need convenient printing at home, in the office, at school, or while traveling. With ink-free thermal printing, Bluetooth connectivity, and support for US Letter (8.5 × 11 in.) and A4 paper, it offers an easy and cost-effective way to print documents on the go. The package includes 20 sheets of thermal paper, so you can begin printing immediately.

Key Features

Ink-Free Thermal Printing

• Uses direct thermal technology—no ink cartridges, toner, or ribbons required.
• Produces sharp black-and-white text and graphics.
• Helps reduce maintenance and ongoing printing costs.

Wireless Mobile Printing

• Bluetooth connectivity for Android smartphones and iPhones.
• USB connection for Windows and macOS laptops and desktops.
• Print directly from a compatible mobile app or computer.

Supports Multiple Paper Sizes

• US Letter (8.5 × 11 inches)
• A4 (210 × 297 mm)
• Compatible with thermal cut-sheet paper designed for portable thermal printers.

Ready to Use

• Includes 20 sheets of thermal paper in the package.
• Quick setup lets users begin printing documents right away.

Compact & Portable

• Lightweight, slim design fits easily into a backpack, briefcase, or laptop bag.
• Ideal for:
  • Business travel
  • Home office
  • Remote work
  • School
  • Field service
  • Mobile professionals

Rechargeable Battery

• Built-in rechargeable lithium battery supports cordless printing.
• USB-C charging on many models.
• Capable of printing multiple pages on a single charge.

Print Performance

• Typically prints at 203 DPI, delivering:
  • Crisp text
  • Clear line drawings
  • Business documents
  • Forms and reports
  • Grayscale graphics

Compatible File Types

• PDF
• Microsoft Word
• Excel
• PowerPoint
• Images (printed in grayscale)
• Contracts
• Invoices
• Shipping documents
• Notes
• Checklists

Typical Specifications

Feature	Specification
Printing Technology	Direct Thermal
Resolution	Typically 203 DPI
Connectivity	Bluetooth & USB
Paper Sizes	US Letter, A4
Printing Color	Black & White
Ink Required	No
Battery	Rechargeable Lithium
Mobile Compatibility	Android & iOS
Computer Compatibility	Windows & macOS

Ideal For

• Business professionals
• Students
• Teachers
• Remote workers
• Sales representatives
• Real estate agents
• Travelers
• Home office users

Advantages

• Inkless design eliminates the need for cartridges or toner.
• Portable and lightweight for mobile printing.
• Supports both US Letter and A4 paper sizes.
• Includes 20 sheets of thermal paper for immediate use.
• Bluetooth wireless printing from smartphones and tablets.
• Suitable for a wide range of business, school, and personal documents.

Battery Included: Yes

Brand Name: POLONO

Double-sided Printing: No

High-concerned chemical: None

Paper Feed Mode: Auto

Print Speed: 20ppm

Signal Connection Type: Bluetooth

Supports Network Printing: No

Type: Thermal Printer

Voltage: Below 50V AC / 75V DC