1, About ink cartridge: The original package comes with one standard ink cartridge, which can be used for 3000 times, print up to 415 full pages of paper (A4), normally enough for a year of daily use. After run out, you can use "hp62" ink cartridge for replacement. We also have extra ink cartridge bundle for you to select:standard ink cartridge bundle: except for paper, it can be washed.permanent ink cartridge bundle: printing handwriting is hard to erase. 2, About language: Don't worry about the language restrictions. The printer can be connect with your device through wifi or usb, after successfully connect, it can sync your phone language, you can custom print content and colors on your device. 3, About the printing dimensions: The maximum printing hight is 14.29 mm/0.5625 inch. For a single pass, it can print 1.3m/4.26 feet long. For multi-line printing mode, it can print up to 3m/9.8 feet. 4, About the battery: Battery capacity 900 mAh, 6 hours continuous working time, up to 1 year standby time. Fully charging time normally need 2 hours. 5, About the shelf-life of the ink: 18 months, after use, please store it properly. 6, Works on any material: paper, metal, glass, plastic or clothing...rough, curved and uneven surface. (except for paper, other meterial need permanent ink or styling agent for last long) Mbrush is the ultimate handheld, portable printer. It's ultra-lightweight, fits in the palm of your hand and lets you create fast, vivid, color printing anywhere. It works over Wi-Fi with your phone to easily upload any text, image, or design and instantly print onto virtually any object or surface at the touch of a button. Printing has never been more mobile and more convenient. This incredible lightweight, the color printer is portable enough to take the power of inkjet printing on-the-go anywhere you want. It's color inkjet personalizes ordinary objects, makes messages that stand out and is the perfect tool for arts and crafts. It's perfect for business travel, events, art, and fun.