3 Inch Bluetooth Thermal Printer IOS Android Mini Mobile Phone Printer 2000mAh 7.4V , support multiple languages, 20 double font switch function Holster, belt buckle, USB cable, paper roll, battery charger, lithium battery Quantity can be preferential • support bluetooth superior function Largest paper roll diameter: 80 mm Dimensions (WxDxH): 90*120*50mm