This has provided the fastest, the most reliable and affordable way to print your labels or barcodes. Supports up to 8 devices(for Android or iOS) or 8 apps at the same time and offers printing speed up to 90mm/s. It is widely used in shopping malls, supermarkets, retailers, takeaway delivery, restaurants, and etc. Specifications: Model: MHT-L58D Printing Width: 58mm Printing Speed: Up to 90mm/s Printing Density: 384dot/s Interface: USB + BT + Cash Box Standby: 168 Hours Voltage: 100-240V Item Weight: 400g / 14.11oz Package Weight: 790g / 27.87oz Item Size: 11.2 * 10.7 * 8.8cm / 4.41 * 4.21 * 3.46in(L * W * H) Package Size: 23.2 * 15.4 * 9 cm / 9.13 * 6.06 * 3.54in(L * W * H) Package List: 1 * Printer 1 * USB Cable 1 * Charging Cable 2 * Paper 1 * User Manual Note: The width of label paper we send is 56mm. You can search "MHTLabel" to download APP on you mobile phone. Please note that you should install the drive if you connect the printer to the PC. And choose POS-58 model after the drive has installed. https://drive.google.com/file/d/0B9xDryhA985faGRnUUh5OEJ6X0k/view?usp=sharing However, it also should be noticed that computers are not able to connect to printer via USB.