Description: Small size with built-in 1000mAh battery that you can take it anywhere, easy to carry, USB bluetooth printer. High quality print roller, clear print and stable performance. Mini printer use 200dpi high resolution printing head and 5V interface, which makes your printing quality more outstanding. Use this mobile printer to take notes, journal, or any DIY craft. The thermal printing principle eliminates the need for ribbon ink printing, let you imagine the joy of printing. Specifications: Material: Plastic Print Parameters: 200DPI Printing Method: Thermal inkless white and black printing Charging port: Micro USB Battery Model: Lithium battery Battery Capacity: 1000 mAh 7.4V lithium battery 2A charging Printing Paper: 57X30mm / 2.2 x 1.2in (need to buy original printing paper for easy replacement) Connection Method: For bluetooth wireless inkless black and white printing Connection method: Bluetooth 4.0 Package list (as you choose): 1 x Printer 1 x USB Cable 1 x User Manual 1 x Printable Paper(57mm*30mm)