Features: Update Style: 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. Multifunctional Printer: Support a variety of 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. Inkless Print Durable: 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 the relative APP (Luck Jingle) through the APP Store (IOS System) or Google Play (Android System). Thermal Paper Specs: Upgrade Printer with large printing space, support 57mm and 80mm width of printing paper. Equipped with a roll thermal paper, 77mm(width)x30mm(roll diameter), you can print as soon as you receive the package. Specification: Model: L3 Color: White, Pink (Optional) Resolution: 203dpi Input Voltage: Battery: 7.4V 1000mAh Connection: BT Connection Compatible System: IOS, Android Print Type: Thermal Print Printer Paper: 80 x 30mm/57 x 30mm Support Printer Paper Type: Product Size: 11 x 7 x 4cm/4.3 x 2.8 x 1.6in Product Weight: 201g/7.1oz Package Size: 11.6 x 9.8 x 4.7cm/4.6 x 3.9 x 1.9in Package Weight: 300g/10.6oz Packing List: 1 x Thermal Printer 1 x Printing Paper Roll 1 x USB Cable 1 x User Manual Notes: *How to Get the APP: Download the "Luck Jingle" 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!