Features: The all-in-one printer PeriPage A40 mobile printer is ideal for printing PDF files, test papers, web pages, contracts, photos, pictures, etc. It has a long standby time and comes with applications with multiple materials and layouts, making it easy to set up and print, a great assistant for studying and working. Multiple printing sizes with 2 clips to adjust the paper slot width, the A40 thermal printer supports 210 mm/107 mm/77 mm/56 mm (A4/4 inch/3 inch)/2") width thermal paper, Papers of different sizes can meet your printing needs on various occasions. And support the use of roll paper and folded paper. Compact size - 265x80x45mm/10.4x3, convenient for your life. 1x1.8in. Built-in 2 2600mAh rechargeable batteries, after fully charged It can print continuously for 3 hours and has a standby time of up to 90 days. It is very suitable for carrying on business trips, schools, etc. You can print invoices, contracts, checklists and exam documents and connect the contract with your mobile phone or computer on site. High compatibility, supports IOS through bt connection and Android phones. First press and hold the power button for 2 seconds to turn on the printer. For mobile devices, please download the APP (PeriPage) first and enter and connect with the machine through the BT function. If you need to use a computer to print, please download the driver first. (Driver The program does not support macOS for the time being) The advanced print quality A40 printer is equipped with a high-quality print head, with a printing life of more than 50 kilometers and can print about 168,000 sheets of A4 paper. It uses advanced thermal printing technology, no ink cartridges or consumables are needed, and it is energy-saving and environmentally friendly. (It is recommended to match Buy PeriPage thermal paper for clearer printing, not compatible with ordinary paper) Specifications: Model: A40 Color: Sky Gray Battery: Built-in rechargeable battery 2600mAh x 2, 7.4V Continuous working time: 3 hours Standby time: 30 days input : 5V 2A Connection: BT, USB Type-C Printing Technology: Thermal Printing Product Dimensions: 265x80x45mm/10.4x3.1x1.8in Weight: 658g/23.2oz Package Dimensions: 290x160x65mm/11.4x6.2x2. 5 inch Package Weight: 982 g/34.6 oz Notes: 1. When you start using this product, please read the user guide carefully. 2. Please download the app and connect the device through the app before use. 3. Please make sure you can only use thermal paper for printing. 4. macOS is not currently supported. 5. If there are problems with printing, please check the paper roll installation or contact us. Thank you Packing list: 1 x Thermal printer 1 x USB cable 1 x A4 thermal paper roll 1 x User manual