Features: 1.Link method: support wireless BT 4.0 connected with smart phones, support USB cable connected with PC, please follow the user manual to download related applications (peripherals) drivers on the device. 2.Printing as you want: Support multiple functions, printing photos, labels, messages, lists, records, QR codes, network printing, etc. The application provides various fonts and themes to make your photos stylish. 3.Environmental protection: Built in 1000mAh rechargeable battery, low working noise, thermal printer does not need ink cartridges when using, and low operating cost. 4.Thermal paper s: The printer uses a premium printhead, which can use 57mm (width) x 30mm (roll diameter) thermal paper, with a resolution of 203 DPI, and excellent printing quality. 5.Small and cute appearance: Small and light body, you can put it in your pocket or bag and carry it with you. The best gift for students, office workers, lovers, friends and family. 6. specification:Item Type: Mini thermal printer Material: ABS, PC Color: White Paper type: thermal paper Connection: BT/USB Input: 5V, 2A Power supply: rechargeable lithium battery Battery: 1000mAh Paper width: 57mm Roll diameter: 30mm Thermal paper compatible: normal/adhesive/label Resolution: SD 203dpi/HD 304dpi Visualization method: black and white System support: For Windows, for Android and for iOS BT version: 4.0 Product Size: 7.9x7.9x4.2cm/3.1x3.1x1.7in Item weight (with paper roll): 188g/6.6oz Packing size: 10.0x8.5x5.1cm/3.9x3.3x2.0in Package weight: 315g PackageList:1 x Portable ThermalPrinter1 x USB Cable1 x Manual6 x Printing Papers