Feature: 1. A4 portable thermal printer, 300dpi resolution, 210mm paper width, no wires required, printing anytime and anywhere. 2. Adopt advanced thermal printing technology, no ink cartridges or consumables are required, energy saving and environmental friendly. 3. Built-in 2000mAh rechargeable battery, long standby time of 168 hours, can meet your printing needs on multiple occasions. 4. Use with APP(Baypage), support BT and USB connection, compatible with Windows Android iOS system. With OCR function, the text on the picture can be converted into the text that can be edited. 5. Mobile printer for printing PDF file, test paper, webpage, contract, photo, picture, etc. an excellent assistant for study and office work. Specification: Features: A4 portable thermal printer, 300dpi resolution, 210mm paper width, no wires required, printing anytime and anywhere. Adopt advanced thermal printing technology, no ink cartridges or consumables are required, energy saving and environmental friendly. Built-in 2000mAh rechargeable battery, long standby time of 168 hours, can meet your printing needs on multiple occasions. Use with APP(Baypage), support BT and USB connection, compatible with Windows Android iOS system. With OCR function, the text on the picture can be converted into the text that can be edited. Mobile printer for printing PDF file, test paper, webpage, contract, photo, picture, etc. an excellent assistant for study and office work. Specifications: Color: White Material: ABS Printing Technology: Thermal Printing Paper Width: 210mm Print Speed: 40mm/s Print Head Life: 50km Interface: USB + BT 4.2 Resolution: 300dpi Roll Diameter: Max. 30mm Print Command: ESC/POS Input Power: AC 100-240V, 50/60Hz Output Power: DC 15V, 1.0A Battery: Built-in 5V, 2000mAh Lithium Battery Charging Time: 5 hours Standby Time: 168 hours Operating System: Android, iOS, PC(Windows) Item Size: 26.1 * 9.4 * 5cm/ 10.3 * 3.7 * 2.0in Item Weight: 850g/ 30.0oz Package Size: 29.4 * 16.7 * 7.5cm/ 11.6 * 6.6 * 3.0in Package Weight: 1300g/ 45.9oz Packing List: 1 * A4 Thermal Printer 1 * Thermal Paper Roll 1 * Power Cord 1 * USB Cable 1 * User's Manual Package List: 1 * A4 Thermal Printer 1 * Thermal Paper Roll 1 * Power Cord 1 * USB Cable 1 * User's Manual