200DPI Thermal Printer Wireless Portable USB Photo Label Memo Thermal Printing Machine White Item Type: Thermal Printer Material: Plastic + electronic components Main Function: Instant printing Print Parameters: 200DPI, thermal black and white printing, 57 x 30mm / 2.2 x 1.2in paperPRint Function: Wrong question print/sticker/label/test question/web page/photo/picture Battery: 3.7V 1000mAh battery (built-in) Size: Approx. 11 x 8cm / 4.3 x 3.1in Networking Mode: Bluetooth 4.0 dual mode Resolution: 203DP Printing Speed: Maximum x 40mm/s Print Width: Approx. 48mm / 1.9in Width of Consumables: Approx. 58 x 30mm / 2.3 x 1.2in Instructions: 1. First, charge the printer fully 2. Search iPrint App or scan the QR code of the manual to download 3. Open the APP and connect the Bluetooth, you can operate and use. Note: 1. When charging, please gently insert or pull out the charging gear to prevent excessive force from damaging the port 2. After charging, please unplug the charging cable in time 3. In order to avoid danger, do not use or charge in high temperature, high humidity, excessive smoke and dust environment, such as bathroom, steam room, open fire, etc 4. Improper charging may cause damage to the print head 5. Do not touch the print head to prevent overheating and scald 6. Be careful not to touch the paper tearing knife