Fangrui Product Details Essential App Download: To Utilize The For Peripage A40 Printer, First Download The For Peripage App From The App Store. Connect Via The App For Seamless Printing. Versatile Printing Options: The For Peripage A40 Is Not Just A Printer; Its A Comprehensive Tool For Printing Pdfs, Web Pages, Contracts, And More. It Comes With An Extra Thermal Paper Roll For Immediate Use Upon Unboxing. Adaptable Paper Sizes: This Printer Adjusts To Various Paper Widths (210mm/107mm/77mm/56mm) Using 2 Clips For The Paper Slot, Accommodating Different Printing Needs With Both Roll And Folded Paper. Advanced Printing Technology: Enjoy Crisp, High-resolution Black And White Prints With The For Peripage Wireless Printer, Featuring Inkless Thermal Transfer Technology For Economical And Environmentally Friendly Printing. Powerful Battery: Equipped With Two 2600mah Batteries, It Prints Up To 360 A4 Sheets Per Charge. Product Name:a4 Mini Printer Model:a40 Printing Connection:mobile Phone Bluetooth, Usb Type-c Battery:2600mah X 2