12400mAh Rechargeable Battery: Photo printer has built in 2400mAh rechargeable battery, printing speed 10mm/s, fast drawing, low noise printing. 2Fast Paper Output: High performance print head, mature technology and reliable quality, fast paper output, one touch printing, save time and energy, save ink and environmental protection printing. 3Compatible: Wireless label printer is easy to operate, can be quickly connected to smartphones via Bluetooth with for iOS and for Android compatible. 4Humanized Design: Humanized design, 45 degree concave design, tears paper neatly, safe operation, one step, will not scratch your hand. 5Perfect Gift: Printer helps you organize and summarize your work plan, shopping list, etc. It can improve efficiency and is also a good gift for kids, students, family and friends.