Main Features:Please charge atleast 5hrs before first use- With Bluetooth function, supports Android, iOS and Windows, convenient for you to print data from your device wirelessly- Direct thermal printer uses thermal paper instead of ink and is typically smaller, quieter, faster, and more energy-efficient than dot-matrix printer- Built-in 1500mAh 7.4V rechargeable lithium-ion battery, can work continuously up to 8 hours- Supports Chinese, English, Japanese and so on, meet user's different demand- High efficiency and clear printing, print speed can reach to 80mm/s - Small size and light, which is easy to carry for out working, such as the taxi bill printing, administrative fees receipt printing, post receipt printing,PHCN, Warehouse Church,Mosque,Pharmacy, Mobile Transactions, restaurant ordering information printing,and It Serves all Business purposes  etc.Specifications:- Print method: thermal line printing- Bluetooth version: 4.0- Charging time: 2 - 4 hours- Interface: power jack, mini USB- Print speed: 50 - 80mm/s- Resolution: 203DPI ( 8dot/mm )- Dot per line: 384 dots per line- Paper thickness: 0.05 - 0.10mm- Paper width: 57 + / - 0.5mm- Print width: 48 + / - 0.5mm- Rolling paper diameter: 40mm ( max )- Life cycle time: 50km ( printing density under 12.5 percent ) / 100 million pulses- Barcode type: 1-D: UPC-A, UPC-E, EAN-13, EAN-8, CODE39, ITF25, CODABAR, CODE93, CODE128; 2-D: QR code - Working temperature: -10 Deg.C - 30 Deg.C- Internal characters: ASCII CH ( 8 x 16, 9 x 17, 9 x 24, 12 x 24 ); GB18030 ( 16 x 16, 24 x 24 )- Printing command: ESC / POS compatible with order sets- Paper feeding: easy paper loading- Black mark test: supportSpecificationsModel Number: MTP - II Usage: Receipt PrinterDimensions and WeightProduct weight: 0.1240 kg Package weight: 0.4540 kg Product Size(L x W x H): 10.22 x 7.30 x 3.60 cm / 4.02 x 2.87 x 1.42 inches Package Size(L x W x H): 15.05 x 13.80 x 8.27 cm / 5.93 x 5.43 x 3.26 inches