[4 Inch Thermal Printer]- Phomemo M04S is an all-in-one printer, supports 2/3/4inch printing width, suitable for printing photos, documents, labels, text and other purposes. Phomemo M04S inkless printer comes with a roll of 110mm wide white adhesive thermal sticker paper [Inkless Bluetooth Printer]- Phomemo M04S thermal printer does not require cartridges, toner and ink. 300dpi high resolution makes printing more clearer. Supports IOS and Android, download the "Phomemo" App on your phones to print anything you want. It also supports computer editing [Powerful APP]- The [Phomemo] APP can create collages pictures, or customize your work with interesting fonts, funny icons, borders, various templates, etc. Support file printing like WORDS, PDF, TXT. You can use it to print sticky notes, black and white photos, documents, labels and more [Various printing paper]- Phomemo M04S portable thermal printer has over 50 paper styles. White/Color/Transparent thermal paper for freely choosing. Clear printing effect and would not make the paper black [Large Capacity]- M04S wireless printer can work continuously for 5 hours after being fully charged, and only needs to be charged with a Type-C cable Specifications: Effective printing width: 104mm Print head resolution: 300dpi Print speed: 20mm/s Communication interface: Bluetooth 4.2 Data transmission method: send first and print later Charging interface: TYPE-C Charging parameters: 5V2A Battery capacity: 2600mAh Supported consumable width: 53\80\110mm