Printing method: hotline printing<br> Bluetooth version: 4.0<br> Interface: Power Jack, Mini USB<br> Printing Speed: 50 - 89.9mm/s<br> Dots per Line: 384 Dots per Line<br> Paper Thickness: 0.05 - 0.10mm<br> Paper Width: 57 +/- 0.5mm<br> Printing Width: 48+/- 0.5mm<br> Roll Diameter: 25mm<br> Operating temperature: -10 - 50 degrees Celsius<br> Internal characters: ASCII CH (8 x 16, 8 x 17, 9 x 24, 12 x 24); GB18030 (16 x 16, 24 x 24)<br> Print command: ESC/POS compatible with order set Paper Feeding: Easy Loading Paper Black Label Test: Supported - Battery: 1500mAh Li-ion battery (included)<br> Charging time: 2-4 hours<br> Standby time: 100 hours<br> usage time: up to 3 days<br> Power adapter: DC 12V/ 1A<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store