The Phomemo D520BT Bluetooth Purple Thermal Label Printer is a portable and efficient printer that is perfect for wireless shipping. With a maximum resolution of 203 x 203 DPI, this label printer can quickly print black and white labels with a black print speed of 150mm/s. The effective print width is 108mm, and it supports paper sizes ranging from 20-118mm. This product comes with a manufacturer warranty of 3 years and features Bluetooth connectivity for easy printing from your device. The compact dimensions of 175×218×157mm make it easy to transport and use in various locations.