Phomemo P831 Bluetooth Portable Thermal Transfer Printer Support A4 Letter A5 B5 Plain Paper Printing 1. The printer weighs only 1.75 pounds and measures approximately 12 inches long and 2.5 inches wide, making it easy to fit into a handbag or briefcase. Our travel printers are perfect for on-site printing in a pinch. Suitable for travel, business, school, office, home, car and other mobile scenarios, printing anytime and anywhere 2. The P831 portable printer uses advanced thermal transfer technology to print clearly and quickly. It is equipped with a thermal ribbon, and the printouts can be stored permanently - no ink or toner is required, and there are no ink-related clogging and cleaning problems. Just replace the ribbon and you can print on ordinary paper, which is more powerful than other thermal printers. (Note: It is not recommended to use thermal transfer technology to print images, portraits, animals, landscapes, etc.) 3. Bluetooth and USB connection: The wireless printer can be connected to your mobile phone via Bluetooth in Phomemo APP. You can also use our USB cable to connect to your laptop for printing (please read the user manual carefully before setting up) 4. Strong compatibility, double-sided printing: P831 small printer can flexibly switch to print US LetterA4B5A5 width paper. Our Bluetooth printers can print double-sided on plain paper using ribbon, saving paper and money. 5. Built-in 2000mAh rechargeable battery, easy to use, charges via standard USB-C port, so you dont even need to carry an extra charger Parameter: 1. Interface: Type-c 2. Overall dimensions: 309 x 63.5 x 41.5mm 3. Power supply: 5V2A 4. Net weight: 795g Accessories included: 1 ribbon and 10 sheets of paper (5 sheets of A4 paper + 5 sheets of Letter paper), instruction manual, USB cable