Resolution: 200DPI Color: Green, Pink Size: 8 x 8 x 3.8cm Print Type: Thermal Print Battery: 1200mAh Lithium Battery Work Time: 8hrs Work Power: DC 5V,1A Interface: MICRO-USB Connection: BT Paper Width: 57mm Roll Diameter: 25mm Weight:210g Package Size: 120 x 90 x 46mm/4.7 x 3.5 x 1.8in Weight: 211g/0.4lb Features: All in One Printing: Support multiple functions, it can print photos, labels, messages, lists, records, QR Code, web printing, OCR text recognition and so on. The APP offers a variety of fonts and themes to make your photos stylish. Simple Connection Method: Supports wireless BT connecting with smartphone and easy to use. Please follow the user guide to download relative APP(IPrint) through the APP Store (IOS System) or Google Play (Android System). Easy to Carry: Small and lightweight body, can be put in your pocket. 200 DPI high print resolution, super clear printing quality. Suitable for study, office, home and travel. The best gift for students, office workers, lovers, friends, family. Convenient for Your Life: Can record the scenery you see, record his or her sweet words, fun and practical. Built-in 1200mAh rechargeable battery, once fully charged can be normally for about 8 hours (Continuously printing). No need ink cartridge when using, low operation cost.