Item Type: Mini Printer Material: ABS Printing Method: Thermal Printing Battery Type: Lithium Battery Battery Capacity: 1000 mAh (Shipped With Built In Battery) Package List 1 x Printer 1 x Printing Paper Roll 1 x Steadying Rod 1 x Charging Cable 1 x English Instruction 1Portable and Small: The compact printer has a small, lightweight body and a stylish palm sized design that allows you to put it in your pocket or bag and carry it around with you. 2Bluetooth Connection: The mini pocket printer can quickly and easily connect for most smart phone without using a computer or cable, making it easier to operate. 3Thermal Printing Technology: The mini printer uses thermal printing technology, can quickly print premium photos and wrong questions, not easy to fade. 4Multiple Function: The mini wireless printer can be used to print students' wrong questions, personal photos or family albums to meet a variety of printing needs. 5Easy to Operate: The mini portable printer has a user friendly interface, suitable for students and families, easy and fast to operate and print.