Printing method: Direct thermal speed: Up to 80 mm/sec Resolution: 203 dpi (8 dots/mm) Printing width: 48 mm Paper width: 58 mm Roll diameter: Up to 40 mm Connectivity: Bluetooth (v2.1 + EDR, Class 1) Battery: Rechargeable lithium-ion battery Life: Up to 10 hours (continuous printing at 25% printing density) Operating systems supported: Windows, Android, iOS, Linux