open box nex. 1 Printer and 1 Roll. The NIIMBOT B1 Label Maker Machine is a portable Bluetooth thermal printer with a sleek design made from ABS+PC materials. It boasts a high print speed of 40-60 ppm and a maximum resolution of 203 dpi, making it ideal for printing black & white labels. With a battery capacity of 1500mAh, this unit can provide continuous use for 4-5 hours. Compatible with various operating systems such as Android, iOS, and Windows, the NIIMBOT B1 Label Maker Machine offers convenience and efficiency for all your labeling needs.