Compatible for Android/iOS/Windows OS, support BT/ USB / Serial connection. Please download APP/Driver on your devices before connecting it to the printer. Thermal printing method, no need for ribbons ink cartridge, low operating cost. Speed =andlt;90mm/sec, 203dpi resolution, high speed, clear printing, low noise. Print 58mm wide thermal paper, with 100km reliability printing life. With auto sleep, auto awake, power saving to prolong service time, standby time up to 2-3 days. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Voltage: AC110V Material: Plastic colour: Black Package Contents: 1 x Printer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.