Feature: 1. [Inkless Printing] This portable printer is easy to use, eliminating the need for cartridge, toner or ink, clean and eco friendly. 2. [Print Size] The wireless printer supports thermal paper with a width of 210 or 218mm (A4 paper width), catering to a variety of printing needs. 3. [Easy to Use] Simply connect via Bluetooth, download for iprint APP, and start printing anytime, anywhere without the need for complex computer connections. 4. [Wide Compatibility] This portable printer is compatible with both for iOS and for Android smartphones (with Bluetooth), ensuring wide compatibility. 5. [Large Capacity] Built in 1000mAh rechargeable battery, this mini printer can be fully charged in about 1.5 hours, allowing for continuous printing of 90 sheets of A4 thermal paper. Specification: Item Type: A4 Thermal Printer Material: ABS Connection Method: BT 4.0 or above APP Support System: For iprint APP, support for Android and for IOS systems Printing Specification: 200dpi Battery Capacity: 1 x 1000mAh rechargeable lithium battery (built in) Automatic Power off: 30 minutes Charging Time: About 1.5H Continuous Printing Battery Life: 90 sheets A4 thermal paper Printing Speed: 10mm/s Applicable Paper Width Specification: 210mm 218mm thermal paper (not included) Charging Interface: Type C Size: Approx. 265x58x32mm/10.4x2.3x1.3in. Package List: 1 x A4 Thermal Printer1 x USB Cable Note: The product needs to use thermal paper, and the thermal paper can not be inverted, the thermal paper type is sheet by sheet, not web, such as ordinary A4 paper printer will not be able to print.