1、1.Advanced thermal printing technology, no ink cartridge, convenient and cost saving. 2、2.Built-in 1200mAh rechargeable batteries, working in low noise, the thermal printer does not need ink cartridge when using, low operation cost. 3、3.200dpi high resolution printing head, clear print and stable performance. Title： Portable Mini Printer Student Study Printer Labels Convenient Thermal Printer Mobile Phone BT Printer Fix Mistakes Features： 1.Advanced thermal printing technology, no ink cartridge, convenient and cost saving. 2.Built-in 1200mAh rechargeable batteries, working in low noise, the thermal printer does not need ink cartridge when using, low operation cost. 3.200dpi high resolution printing head, clear print and stable performance. 4.Support multiple functions, it can print photos, labels, messages, lists, records, QR Code, web printing and so on. The APP offers a variety of fonts and themes to make your photos stylish. 5.Record your life, print the scenery you see, record his or her sweet words, collect the exercises you have done wrong, fun and practical. 6.Lightweight and compact size, easy to carry. Specification： Model：C19 Color: Pink/Blue(optional) Material: ABS + PC Paper Type: Thermal Paper Connection: USB Power in: 5V, 1A Battery: 1200mAh Paper Width: 57mm Roll Diameter: 25mm Resolution: 200DPI BT Version: 3.0/4.0 Packing Size: 11cm*15cm*4.8cm Weight: 0.25kg Package Weight: 250g/8.82oz Printer Size: 8cm*8cm*3.8cm Package list： 1*Printer 1*Charging cable 1*Manual 1*Printer paper 1*Printer 1*Charging cable 1*Manual 1*Printer paper