CONTACT 01922333043 Dapper BM9000-II portable bluetooth POS printer has 50-80mm/s black print speed, 8dots/mm and 384dots/line maximum resolution, 58mm max paper size, 40mm paper roll diameter, 48mm maximum effective paper width, 0.05-0.10mm paper thickness, USB interface / serial and bluetooth connection, DC7.4V/1.5A rechargeable lithium ion battery, dimensions 105 x 75 x 37 mm, weight 235 grams.