Mobile Printer is Compatible with ESC POS Commands, Support USB & Bluetooth, It Has 2600 mAh Battery Backup with Fast Speed Printing. It does not require any Ribbon or Cartridge for printing. It can be used for Electricity Billing, Parking, Restaurants, Baking Kiosks, Spot Billing & Much More. ZERO Maintenance Comes with a Pouch to hang it on the Belt For More details please contact customer care on 022-40041231