Small Size & Lightweight Portable Printer: The compact size of this printer (85*80*30 mm) and its light weight of just 150g make it easy to carry in your pocket or bag. You can easily print wherever you are and the printer can recognize text, images, tables, emojis, QR codes, and more. Note: Please refer to the printer’s user manual and search for “Walk Print” on the App Store or Google for connection and usage instructions Portable Mini Thermal Printer: This thermal printer is compatible with 57mm/2.3inch wide paper and features a simple and cute design. It is perfect for on-the-go printing and can fit easily in your pocket or purse. The high-resolution black and white images it produces are clear and sharp. The built-in rechargeable battery can be charged with any USB port Bluetooth Connectivity: Our sticker printer is simple to use. First, download and install the “Walk Print” app from the App Store or Google and long press the printer switch until the green light flashes. Then, turn on the bluetooth on your mobile phone, open the “Walk Print” app, select “My Printer”, locate and connect to “YHK-38EE”. Follow the instructions in the app to begin printing Versatile Mini Portable Printer: This inkless printer is ideal for printing black and white photos, memos, labels, cute pet stickers, QR codes, and more. Instantly print information and images from your phone screen. For clearer prints, select the original image and adjust the print settings. This printer helps you stay organized and efficient with work plans, shopping lists, and more. It makes a perfect gift for birthdays, anniversaries, and Christmas Unique Gift Idea: The pocket thermal printer makes a great gift for office workers, students, friends, lovers, and family members. Print and collect beautiful moments from your phone. If you have any questions after receiving the product, please reach out to us for a satisfactory resolution