●♦【Small and compact portable printer】This compact printer with the dimensions 290 x 90 x 60 mm is ideal for business trips, school and more. It comes with a special app that provides a wealth of templates, patterns and icon materials, so you can edit and print your files, pictures, posters, lists, etc. on the go ●♦【Customizable Print Size】This printer has a clip to adjust the paper width, so you can print on 56mm/77mm/107mm/210mm/216mm (2"/3"/4"/8"/8.5") and US letter thermal paper. It is perfect for printing documents, daily plans, memos and more. ●♦ 【Inkless Wireless Bluetooth Thermal Printer A4】It is an excellent tool for study and office work and allows inkless printing, so no ink ribbons are required. This all-in-one printer is capable of printing everything you need, from PDF files and test papers to websites, contracts, photos and images. With an integrated paper tray, it is perfect for printing large amounts of paper on business trips. ●♦【Mobile printer with large battery capacity】It has a built-in 2600 mAh lithium battery with large capacity, which can print for about 2.5 hours after a full charge. The premium print head can run up to 50 km making it durable. ●♦【High Compatibility】This mobile printer supports both wireless and wired connections. You can connect it to your mobile device via Bt and use the app "Luck Jingle" available in the App Store (iOS) or Google Play (Android). For printing, it can also be connected to a PC or computer with a USB cable.