Features: Portable Printer: Support Wireless BT 4.0 connected with smartphone, please follow the user guide to download relative APP "Poooli" on your smartphone, you can print anytime and anywhere when they connect successfully. It also supports connection printing with computers. 3 Print Sizes: Support printing 57.5mm/79.5mm/110mm thermal paper width, 30mm roll diameter. Users can use different width of printing paper according to their needs, and no longer worry about the limited print size. Super Clear - Eye Protection: Printer adopts high quality print head and exclusive grayscale technology, printing photos are more realistic and natural, and surpass the similar products on the market. 300DPI resolution, the actual print definition is equivalent to 600DPI, super clear printing effect. Can Print The Entire Test Paper: 110mm paper width, like the size of the book. You can directly print the whole test paper or the exercise question, and you can do it at any time at home. Printing All You Like: Support print photos, messages, lists, barcodes, hand drawing, OCR text recognition, wrong questions, banners, files, web printing and so on. The APP offers a variety of emoticons and themes to make your content stylish, fun and practical. Built-in Battery: Built-in 2500mAh rechargeable battery. Working in low noise, the thermal printer does not need ink cartridge when using, low operation cost. Specifications: Model: L3 Color: White Material: ABS Print Type: Thermal Printing Resolution: 300dpi + Grayscale Technology Input Power: DC 5V, 2A Paper Width: Support 57.5mm/79.5mm/110mm Roll Diameter: 30mm Effective Print Width: Max.104mm Thermal Paper Compatible: Regular/Adhesive/Label (Note: The label paper should use the official designated label paper) Power Supply: Rechargeable Lithium Battery Battery: 7.4V, 2500mAh Connection: BT 4.0/USB Type-C System Supported: Compatible with Android, iOS, Windows, Mac APP Language: Chinese, English, Japanese, French, Italian, German, Spanish, Korean, Thai Item Size: 140mm * 93mm * 43.5mm / 5.5 * 3.7 * 1.7in Item Weight: 460g / 16.2oz Package Size: 17.3 * 10.8 * 5.7cm / 6.8 * 4.3 * 2.2in Package Weight: 675g / 23.8oz Notes: 1. Password: 111111 or you can download APP(Poooli) from Google Play Store. 2. IOS: You can download APP(Poooli) from APP Store. 3. BT connection is only available via APP. 4. The label paper should use the official designated label paper. Packing List: 1 * Thermal Printer 1 * USB Cable 1 * Thermal Paper Roll(110mm) 1 * User's Manual(Chinese/English/Japanese/French/Italian/German/Spanish/Korean/Thai/Russian)