・Pocket mini printer will save you time and improve learning efficiency. Can also take photos to record the beautiful moments of life ・Compatible with Word documents,work plans,memo lists,daily calendars,and meeting notes can all be done easily ・Using Bluetooth-compatible direct connection technology,you can connect to Bluetooth-compatible when you open the APP,so you can use and print freely ・Printer with high-quality print-head,can print 57mm(width)*30mm(roll diameter) thermal paper,200DPI resolution,clear printing quality ・Built-in 1000mAh rechargeable battery,working in low noise Specifications: ・Print Speed:Max 40mm/s ・Print Width:Printable width 55mm ・Paper width:55mm ・Printer Material:ABS ・Interface Type:Bluetooth-compatible 3.0/4.0 ・Charging Mode:USB ・Battery capacity:1000mAh ・APP:iBleem Package included: ・1 x Mini Bluetooth-compatible Printer ・1 x Charging Cable ・1 x Thermal Paper ・1 x English and Chinese User Manual