[Smart printing]:Bluetooth connection,Edit in the mobile APP.Simple version and version to choose.It offers of fonts, various texts, Qr code,barcode,logo,symbols and icons,and the content is at will. [Thermal label printer]:Thermal-sensitive technology, label printer does not need ink, On-the-GO printing, clean and safe without hurting hands.Abrasion resistant and free. [D30S Smart Label Printer]:D30S label maker combine printing with the new technology.The 2021 mini portable label printer are compatible with smartphone Tablet devices. [Built-in 1000 mAh rechargeable battery]:It can print continuously for 3.5 hours, and it can be used for 2.5 months on a single charge, which saves the trouble of long-term battery purchasing and replacement. [Easy To Use & Wide Compatibility]:The D30S Smart Label Printer support and compatible with IOS 8.0 + Android 4.0 and above. Tips for Using app:Scan the Qr code of the downloaded app with your phone or tablet - Install Print App from Store & Play - Open the App and Turn on D30s printer - Choose printer model D30s from menu and then click "unconnected" button at the top of the screen - Match and connect Bluetooth via the app. Colour: White Material: plastic Package Contents: 1 x D30S label machine 1 x USB charging cable 1 roll x consumables (DCP1222-260) 1 x English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.