Features: brand new and high quality The printer adopts thermal printing method, which is fast, low noise, clear printing, inkless, and environmentally friendly. Small and lightweight, easy to carry. 57mm paper width, 300dpi resolution, smooth and clear print, meet your various printing needs Support BT-compatible wireless connection with smartphone APP, for Androids and iOS, you can print any for time and anywhere. USB connection is also supported, for Windows and for Mac. The lovely appearance design is a good partner to improve learning efficiency and record the wonderful moments of life. Save for time to copy notes by hand, help learning, improve learning efficiency, and print quickly. Specifications: Model Number: Paperang p1 Pocket Printer Color: Blue/ Pink/ Yellow/ (optional) Paper Type: Thermal Paper Material: ABS Printing Method: Thermal Printing Connection: BT-compatible Connection 4.0 Resolution: 300dpi Paper Width: 57mm Roll Diameter: 30mm Input Voltage: for DC 5V, 2A Battery: Built-in 7.4V, 1000mAh Lithium Battery System Supported: Androids, iOS, for Windows and more Resolution: 300DPI Paper Size: approx 83x83x45mm/3.27x3.27x1.77in Item Weight: 180g/ 5.6oz Package Weight: 297g/0.65lb Package Includes: 1 x Thermal Printer 1 x Thermal Paper 1 x USB Cable 1 x User Guide note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.