The adjustable slot fits 8.5″ x 11″ US Letter, A4, A5, B5, and 4″ wide thermal paper. (❗Note: Exclusively supports thermal paper; does not support plain copy paper or color output.). ✅【Bluetooth Thermal Printer for Phone, Tablet & PC】This PRT610 bluetooth printer connects instantly to iOS or Android smartphones and tablets via the free ‘HerePrint’ App.

Uses no ink, toner, or ribbons just thermal paper. Bluetooth Wireless Printing via Free App Download the free HerePrint app (iOS/Android) and print via Bluetooth from your phone or tablet. Supports PDFs, Word docs, images, and prints on US Letter / A4 / A5 / B5 sizes down to 4″ wide thermal paper.