How to Use: Remove the printer base, flip the bin door switch open the transparent bin door; Put the ink cartridge into the printer ink bin, fasten the bin door and close the bin switch. The printer dashboard needs to scan the QR code on the base of the printer, and then connect according to the instructions. Specification: Item Type: Handheld Printer Material: ABS Color: White Highest Resolution: 1200dpi Battery Type: Inbuilt 750mAh Lithium Battery (Battery Included) Motion Detection: Optical Sensor Charging Port: Type C Technology: Three Color Thermal Inkjet Technology Ink Drops: 6.4pl HDW, 3 pl LDW One Time Printing Height: 14.2875mm/0.5625inch One Time Printing Width: >1.3m Multi Line Printing Height: >3m Single Ink Cartridge Print Volume: About 415 Pages (A4) Connection Method: WiFi/USB Network Support System: For Android, For IOS, For Win, For OS X, For Linux Scope of Application: Used for Custom Text, Number, Code, Label, Pattern Package List: 1 x Handheld Printer1 x Ink Cartridge 1 x Printer Holder 2 x Printing Auxiliary Scale 1 x Cable 1 x User Manual