Feature: 1. PRINTING PARAMETERS: This Bluetooth printer support thermal and inkless printing, suitable for 57‑216mm paper width, has black and white imaging function, support A4 and A5 thermal printing paper 2. HIGH COMPATIBILITY: This thermal printer can be used with computers and mobile phones, is available for iOS and for Android, and can be connected to the device via Type C to print the documents you need 3. BATTERY POWERED: This portable printer has a built in 7.4V lithium battery with a large capacity of 2600mAh to ensure long printing time, and can also set automatic shutdown time to save power 4. THERMAL PRINTING: This bluetooth printer use thermal technology so that you no longer rely on a single cartridge, greatly reducing printing costs and more environmentally friendly 5. COMPACT STRUCTURE: This bluetooth thermal printer is small, easy to operate and carry, and easily fit into your bag, allowing you to print documents anytime and anywhere Specification: Item Type: Thermal Printer Material: ABS Battery: 1 x 7.4V lithium battery 2600mAh Communication Interface: USB or BT Resolution: 203dpi Applicable Paper Width: Approx. 57 ~ 216mm / 2.24 ~ 8.5in Printing Method: Thermal or inkless printing Imaging Method: Black and white Color: Black . Package List: 1 x Printer 1 Roll of Printing Paper (built in the printer) 1 x USB Cable 1 x User Manual