If you are a lover of computer science and electronics , you like to be up to date with technological news and you do not miss any detail, buy a Thermal Printer approx! APPPOS58PORTABLE+ at the best price. Battery: 2000 mAh Lithium-ion Speed: 70mm/s Device length: 88 mm Includes: AC adapter adapter Diameter: Ø 4 cm Ethernet: No Not included: WiFi Product width: 58 mm 111 mm Weight: 280 g Cable: USB Accuracy (relative humidity): 10 % - 90 % 10 - 80% Blades: Yes Operating System: Windows Linux Android High: 41 mm Operating Temperature Range: -10ºC / 60°C Approximate Temperature: 0ºC / 45°C Features: Serial Interface Features: Includes manual Bluetooth