Battery capacity: 800mAh 3.7V lithium battery 2A charging Printing paper: 57X25 mm, original printing paper needs to be purchased for easy replacement. Connection method: Bluetooth wireless, ink-free black and white printing Factory standard: host + charging cable + manual + 1 roll of printing paper Consumables Thermal paper: about 15g/roll Packing size: 97 * 53 * 117MM Packing size (box side): 411 * 280 * 371mm Packing weight: 13.55kg Packing quantity (quantity): 60PCS APP use: Google Play and AppStore search and download Tiny Print Packing list: printer * 1 + printing paper * 1 + manual * 1 + charging cable * 1