Phomemo 4x6 Shipping Labels for D421R Printer Only, 250 Labels per Roll, Thermal Shipping Labels with RFID Chip, Smart Auto-ID & One-Click Calibration, Shipping Supplies for Small Business & Home

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[Exclusive D421R Shipping Solution] Specifically engineered for the Phomemo D421R shipping label printer. The built-in RFID chip allows for instant communication between the roll and the printer. Note: This shipping labels are exclusively compatible with the D421R and will not work with other thermal printer models.
[Auto-Recognition Technology] The integrated RFID chip enables the D421R to automatically detect the label dimensions and current count. This synchronization assists with the identification of label specifications, reducing the need for manual input and supporting a consistent printing workflow.
[Automated Label Calibration] The integrated RFID chip supports automatic alignment of the thermal labels. This feature assists in reducing paper waste by identifying the starting position of each label roll. Designed to assist with consistent printing for high-volume mailing tasks.
[Crisp & Reliable Shipping Barcodes] Our 4x6 shipping labels feature a high-sensitivity thermal coating that delivers sharp, smudge-proof barcodes. These professional-grade shipping stickers ensure your packages are easily scannable by carriers, reducing delivery delays and enhancing your shipping reliability.
[Heavy-Duty Adhesive for All Shipping Carriers] Designed with industrial-strength adhesive, these shipping labels bond securely to corrugated boxes and mailers. Fully compatible with major shipping platforms and carriers including USPS, UPS, FedEx, and DHL—making them essential shipping supplies for any small business.