Description: Portable Design: Small and lightweight, can be put in your pocket or bag. You to take this printer anywhere and use it anytime. Printer: Support Wireless BLE4.0 connected with smartphone Thermal Printer: Printer with 200dpi high resolution printing head, can print 57mm(width)x30mm(roll diameter) thermal paper. Outstanding printing quality. . Time Saver: Can be used to print to do list, hand‑written notes, journal etc. Saving your time and improving learning efficiency. Gift Choice: Cute appearance and excellent printing performance, perfect gift for students, office workers and your friends. Specification: Connectivity: BLE4.0 Media：Thermal Paper Roll Print Method : Thermal/Inkless Print Speed: 10MM/s Printing Paper: 57x30mm/2.24x1.18inch Product Size: 11x8x3.5cm/4.33x3.14x1.37inch Power supply: Built-in 1000mAh Lithium Battery Charging Interface: 5V-MicroUSB Resolution: 200dpi Package Includes: 1 Piece Mini Thermal Printer 1 Piece Charging Cable 1 Roll Thermal Paper 1 Piece User Manual Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.