Here’s a clear overview of the Portable Thermal PT‑210 Printer — a compact battery‑powered thermal receipt printer often sold under names like GOOJPRT PT‑210 or similar models:

📟 What It Is

The PT‑210 is a portable direct thermal printer designed for printing receipts, tickets, invoices, barcodes and QR codes without ink or toner. It’s lightweight, has built‑in battery power, and works via Bluetooth or USB with mobile devices and computers — ideal for mobile sales, delivery, parking bills, food stalls, POS systems and similar tasks.

📊 Key Specifications

• Printing Method: Direct thermal (no ink/toner)

• Paper Size: ~58 mm (2‑inch) thermal paper width

• Printable Width: ~48 mm

• Resolution: 203 dpi (clear receipt print quality)

• Print Speed: ~50–90 mm/s (≈ 15–20 ppm) depending on model/settings

• Battery: Built‑in 1500 mAh rechargeable Li‑ion battery

  • ~2–4 hours to fully charge

  • Can last several hours of printing or ~100 hours standby

• Connectivity:
  • Bluetooth 4.x for wireless printing from phones/tablets
  • USB (Type‑C or mini‑USB depending on variant)

• Compatibility: Works with Android, iOS and Windows (apps or POS software)

• Commands: ESC/POS compatible (works with many POS systems)

• Barcode Support: Common 1D & 2D barcodes (UPC, EAN, CODE39/128, QR, PDF417)

Size & Weight: Compact ~79×110×45 mm and light (~210–350 g) — very portable.

🖨️ What It’s Good For

✔ On‑the‑spot receipt printing for mobile vendors & food delivery
✔ Point of sale (POS) receipts in small retail, parking, transport
✔ Barcode or QR code printing for item tags/tickets
✔ Works without mains power — suitable for outdoor or field work