・Multi-size compatibility: Provides adjustable paper guides for small businesses to print paper labels of various sizes, whether they are barcode labels or shipping labels. Adjust the width range is 20-80mm ・Multi-system compatibility: Drivers can run smoothly on Windows XP, 7, 8, 10, Mac Os systems. If you need to use a mobile phone for printing, please select the Bluetooth-compatible version and download the mobile printing app to print labels through your smartphone. ・Durable and cost saving: Adopting direct thermal printing technology, no carbon ribbon or toner is required. ・Dual mode printing: supports printing self-adhesive labels, as well as bills, with one machine for two purposes, suitable for more usage scenarios Specifications: ・Model: K31A ・Print mode: Thermal ・Resolution: 203DPI (8dots/mm) ・Max print speed: 60mm/s ・Max print width: 72mm ・Consumable height: 20~200mm ・Paper width (including release paper): Maximum 80mm, Minimum 20mm ・Diameter of paper roll core: 25.4mm~38.1mm ・Outer diamter of paper roll: Max 105mm ・Paper positioning mode: Gap, Continuous ・Communication mode: USB, Bluetooth ・Power source specification: Input: AC 100V-240V, 50-60Hz Output: DC 9V⎓2A ・Body size: 147*190*141mm ・Body weight: 680g ・Safety certificates: CCC Package included: ・1 x Thermal Printer ・1 x Power Adapter ・1 x Type-C Charging Cable ・1 x Label Axis ・1 x Label Baffle ・1 x English User Manual ・Other items not included