Features: ✔ Mini & Cute Appearance: Small and lightweight body, can be put in your pocket or bag, easy to take it anywhere. 203DPI resolution, super clear printing quality. Suitable for study, office, home and travel. The best gift for students, office workers, lovers, friends, family. ✔ Printing All You Like: 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. ✔ Convenient for Your life: Can record the scenery you see, record his or her sweet words, collect the exercises you have done wrong, fun and practical. Built-in 1000mAh rechargeable battery, working in low noise, the thermal printer does not need ink cartridge when using, low operation cost. ✔ Connection Method: Support Wireless BT 4.0 connected with smartphone. Please follow the user guide to download relative APP (IPrint) through the APP Store (IOS System) or Google Play (Android System). ✔ Thermal Paper Specs: Equipped with a roll thermal paper, 57mm(width)x30mm(roll diameter), you can print as soon as you receive the package. Specification: Model: C17 Color: Blue, Pink (Optional) Battery: 1000mah Lithium Battery 7.4V Operate Power: DC5V, 1A Paper Type: Thermal Paper Connection: BT Connection Interface: Micro-USB Print Resolution: 203DPI Paper Size: 57*30mm(Width*Diameter) Printer Size: 80*80*35mm/3.1*3.1*1.4in Printer Weight: 144g/5.1oz Package Size: 15.3 * 10.7 * 4.3cm/6 * 4.2 * 1.7in Package Weight: 210g/7.4oz Package List: 1 * Thermal Printer 1 * Thermal Paper 1 * USB Cable 1 * User Guide Notes: *How to Get the APP: Download the "IPrint" from the APP store(IOS)/ Google Play(Android). *Please download the app before use and connect the device via app. Quick press the printer button twice, and it will automatically print out the paper with QR code. Scan it and quickly connect the device through BT. Then start printing *If the printing goes wrong, please check the installation of paper roll or contact us. Thank you