Features:With BT function, supports Android, IOS and Windows, convenient for you to print data from your device wirelessly.Direct thermal printer, more quiet and fast working, saves energy.Efficient and clear printing, print speed can reach to 80mm/s.Built-in 1500mAh rechargeable lithium-ion battery, can work continuously up to 8 hours. It can be powered by power bank.Small size and lightweight, easy to carry.Designed for outdoor working, such as printing taxi bill, parking bill, express delivery invoice, restaurant ordering, ticket selling and so on.Specifications:Color: Orange, Blue (Optional)Print Method: Thermal line printingBT Version: 4.0Battery:7.4V, 1500mAhCharging Time: 2-4 hoursStandby Time: 100 hoursPrint Speed: 50~80mm/sResolution: 203dpi ( 8dots/mm )Paper Type: Thermal PaperPaper Thickness: 0.05 - 0.10mmPaper Width: 57mm +/- 0.5mmPrint Width: 48mm +/- 0.5mmRolling Paper Diameter: less than or equal 40mmBarcode Type: UPC-A, UPC-E, EAN-13, EAN-8, CODE39, ITF25, CODEBAR, CODE93, CODE128, QR code, PDF417Working Temperature: (-10-50)centigradeStorage Temperature: (-20~70)centigradeSupporting Image Formats: JPG, BMP, TIF, JPEG, etc.Supporting System: Android, IOS, Windows (through USB)Item Size: 12 * 7.5 * 5cm/ 4.7 * 2.9 * 2inItem Weight: 210g/ 7.4ozNote:Please download a printing app before use. We recommend you the app dlabelwhich can be downloaded on app store/google.And open the app to connect printer with app via BT. Then start printing.Package List:1 * Printer1 * Type-C Cable1 * User Manual (Chinese, English)