【Smart Temperature Control Printing】 The 58mm portable thermal label printer features intelligent temperature adjustment, automatically adapting to paper and environmental conditions during printing. This ensures stable output with crisp, clear text, preventing print failures or blurred characters due to temperature fluctuations. 【Efficient Printing Experience】 Delivers fast printing speeds with sharp, long-lasting text. Eliminates the need for ribbons or ink cartridges, reducing operational costs. Bluetooth-compatible connectivity is simple and fast, easily pairing with smartphones, computers, and other devices for instant printing. Its user-friendly design suits fast-paced work environments. 【Portable Design Advantages】 Compact size and lightweight construction facilitate easy carrying and mobile use. Whether printing shelf labels in retail stores, working remotely, or creating on-the-spot labels during cold chain transportation, it handles tasks effortlessly without occupying excessive space. 【Stable and Reliable Performance】 Constructed with high-quality materials for dependable operation. An error indicator alerts when paper runs out, preventing print interruptions and ensuring continuous, accurate printing. 【Versatile Applications】 Suitable for diverse industries including retail, healthcare, cold chain logistics, warehousing, and small business offices. Capable of printing jewelry tags, pharmaceutical labels, patient identification tags, price tags, and more to meet varied needs. Specifications: Printing Method: Direct Thermal Line Printing Printing Mechanical Life: 50km or 100 million pulses Resolution: 203dpi (8dot/mm) Print Command Set: TSPL (Optional: CPCL / ESC/POS commands) Communication Interfaces: Type-C + USB Port, Bluetooth-compatible 3.0/4.0 Supported Paper Width: 15 - 50.5mm ±0.5mm Maximum Effective Printing Width: 48mm (MAX 384 dots) Maximum Paper Roll Diameter: 50mm Printing Height Range: 10mm (MIN) - 90mm (MAX) Paper Thickness: 0.06 - 0.20mm Image Support: BMP files downloadable to FLASH/SDRAM Compatible Drivers: Windows / MACOS / Android / IOS Supported Paper Types: Thermal label paper, black mark paper Detection & Protection Functions: Paper out alarm, overheat protection, black mark positioning, buzzer alert Power Supply: Rechargeable Lithium Battery Battery Specification: 7.4VDC / 1500mAh Charging Method: Type-C USB Cable (compatible with 5V/2A or 5V/1A external chargers) Charging Time: 1.5 - 2 Hours Printing Functions: Custom logo download & printing, 1D/2D barcode printing Supported Barcodes: UPC-A / UPC-E / JAN13(EAN13) / JAN8(EAN8) / CODE39 / ITF / CODABAR / CODE93 / CODE128 / QRCODE / PDF417 Operating Environment: Temperature 0℃～45℃, Humidity 10～80% (non-condensing) Supported Languages: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, Portuguese, Spanish, Western European Languages, Arabic, etc.