1. APP: Print Master/Label Life 2. APP Language: Chinese Simplified, Chinese Traditional, English, Japanese, Korean, Polish, Arabic, French, German, Italian, Portuguese, Spanish, Polish, Vietnamese, Russian 3. Print resolution: 203DPI 4. Printing effective width: 72mm 5. label width: 20-80mm 6. Print speed: 35-50mm/s 7. Battery capacity: 2200mAh 8. Operating system: Print Master (wireless device): Android / iOS; Label Life (PC): Windows 7/8/10/11/ Mac 10.14 or above 9. Connection: Bluetooth 4.2/USB 10. Shredder: all-metal carbon steel serrated blade 11. Support paper: gap paper, black label paper, continuous paper 12. Printhead life: 50km 13. Weight: about 330g 14. Size: about 12.5 x 11.9 x 3.5cm Features: 1. Bluetooth connection, easy printing from cell phone 2. No ink required, convenient operation, environmental protection and durability 3. Exquisite and compact, easy to carry 4. Can print pictures, text, wrong questions, support a variety of specifications for label printing 5. Multi-material, APP a large number of templates, handbook material, print templates Packing list: - Printer x 1 - Label paper x 1 - Charging cable x 1 - Instruction manual x 1 - Adjustment board x 1