Function: 1. [Printing without ink] This portable printer is easy to operate, eliminates the need for cartridges, toner or ink, it is clean and environmentally friendly. 2. [Print Size] The wireless printer supports 210 or 218mm wide thermal paper (A4 paper width), meeting a variety of printing needs. 3. [Easy to Use] Simply connect via Bluetooth, download the iprint app, and start printing anytime, anywhere without the need for complicated connections to your computer. 4. [Wide Compatibility] This portable printer is compatible with both iOS and Android smartphones (with Bluetooth), ensuring wide compatibility. 5. [Large Capacity] With a 1000mAh battery, this mini printer can be fully charged in about 1,5 hours, allowing you to continuously print 90 sheets of A4 thermal paper. Specification: Item Type: A4 Thermal Printer Material: ABS Connection method: BT 4.0 or later Application support system: for iprint apps, support for Android and IOS Printing Specification: 200 dpi Battery capacity: 1 x 1000 mAh rechargeable lithium battery (built-in) Automatic shutdown: 30 minutes Charging time: about 1,5 hours Druk Continuous Battery Life: 90 Sheets of A4 Thermal Paper Printing speed: 10 mm/s Charging Interface: Type C Size: approx. 265x58x32mm/10,4x2,3x1,3 inch How to use: Remove the product and install it so you can use it. List of packages: 1 x A4 Thermal Printer 1 x USB cable