Feature:1. BT4.2 Connection: This desktop label printer adopts standard wireless BT4.2 connection, which can be easily connected with phone and tablet, easy to control and operate.2. 50 to 80mm/s Printing: This thermal label printer supports 50 to 80mm/s printing speed. You can simply install the thermal paper roll and start to use.3. Multi Purpose: This shipping label printer is suitable for bill printing, administrative fees receipt printing, post receipt printing, restaurant ordering information printing, online payment information printing, etc.4. Easy Operation: This thermal printer uses heat instead of ink, have no ribbon or ink cartridges, and only require a roll of thermal paper to work. And printing width can be adjusted from 20 to 55mm.5. Rechargeable Battery: This desktop label printer adopts 2600mAh rechargeable battery which can be easily charged via charging adapter and USB cable. Designed with auto sleep and auto wakeup functionSpecification:Item Type: 58mm Thermal PrinterMaterial: ABSBT Version: 4.2Printing Method: Thermal PrintingPrint Speed: 50 to 80mm/sPrint Width: 20 to 55mmResolution: 203DPIEndurance: 50kmPrint Command: Compatible With ESC/POS CommandInterface: Type C 5V/1ADriver: Designed for Win XP, for Win 7, for Win8, for Win10Battery Type: 2600mAh Lithium Ion Battery (Inbuilt Battery Included).Package List:1 x58mm Thermal Printer1 x USB Cable1 x Power Adapter1 x User Manual