Features: Direct thermal printer uses 58mm thermal paper, no ink cartridge or ribbon required, low operation cost. Support BT 3.0 - 4.0 or USB cable connection. Printer is compatible for Windows/Linux/Android/iOS systems, it can connect 1 iOS - 7 Android smartphones at the same time in BT mode. High-speed and clear printing, print speed can reach to 90mm/s, low noise and strong stability. Support download and print logo - graphics. Support GB18030 big font, easy to print uncommon characters. Easy paper install structure, simple and convenient to operate. Compatible with ESC/POS instruction set. Can be widely used in tax bill printing, restaurant and store receipt printing, parking bill printing, etc. Fashion appearance, blue and transparent cover design, users can know the usage situation of paper rolls at any time. Specifications: Color: Black Material: ABS Plug: 230-240V UK Print Method: Thermal Line Printing Printing Width: 48mm Resolution: 384dots/line(8dots/mm, 203dpi) Printing Speed: 90mm/Second Interface Type: USB,BT Line Spacing: 3.75mm(Can adjust line spacing by commands) Line No. - Font A: 32 character/line - Font B: 42 character/line - Simple,traditional Chinese-16 lines Bar Code: UPC-A/UPC-E/JAN13(EAN13)/JAN8(EAN8)CODE39/ITF/CODABAR/CODE93/CODE128 Graphics Printing: Support bitman download and print Paper Type: Thermal Paper Roll Paper Width: 57.50.5mm Paper Diameter: 60mm Feed Method: Easy Feed Commands: Support ESC/POS Working Environment: Temperature: 5-45 centigrade, Humidity:10-80% Storage Environment: Temperature: -10-50 centigrade, Humidity:10-90%(No dew) Print Head Life: 50KM System Supported: Windows, Linux, Android, iOS Item Size: 18.5 * 13.0 * 11.2cm / 7.3 * 5.1 * 4.4in Item Weight: 574g / 20.2oz Package Size: 19.2 * 13.5 * 12.5cm / 7.6 * 5.3 * 4.9in Package Weight: 809g / 28.5oz Package List: 1 * Printer 1 * Adapter Power Line 1 * Paper Roll 1 * USB Cable 1 * User Manual(English)