Feature: 1. NO INK PRINTING: This Bluetooth mobile printer is user friendly and convenience to use, requiring no ink cartridges, or ink, ensuring a clean printing experience. 2. PRINTING SIZE: The portable no ink thermal printer supports thermal paper with a width of 210 or 218mm (A4 paper width), catering to various printing needs. 3. EASY TO USE: Simply connect to the inkless thermal printer via Bluetooth, download the iprint APP, and you can start printing anytime, anywhere without the need for complicated computer connections. 4. BROAD COMPATIBILITY: This Bluetoothwireless thermal printer is compatible with smartphones for Android (with Bluetooth), ensuring wide compatibility for users. 5. LARGE BATTERY CAPACITY: The A4 portable thermal printer comes with a built in 1000mAh rechargeable battery, allowing the portable printer to be fully charged in approximately 1.5 hours and capable of printing continuously on 90 sheets of A4 thermal paper. Specification: Item Type: Bluetooth Thermal Printer Material: ABS Print Resolution: 200DPI Print Method: Thermal Non ink, Black and White Printing Battery Capacity: 1000mAh, Lithium Ion Battery (Shipped with Built in Battery) Print Paper: A4 Size: Approx. 210 x 297mm / 8.3 x 11.7in Connection Method: Bluetooth Wireless, USB Computer Connection Printing, No ink Black and White Printing. Package List: 1 x Bluetooth Thermal Printer 1 x USB Cable 1 x User Manual