Main Features:Please charge atleast 5hrs before first useWith 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 printerBuilt-in 1500mAh 7.4V rechargeable lithium-ion battery, can work continuously up to 8 hoursSupports Chinese, English, Japanese and so on, meet user's different demandHigh efficiency and clear printing, print speed can reach to 80mm 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