XPrinter Receipt Printer P300 Connection Port: USB Printer Colors: Black and White Printer Supply Type: Paper XP-P300 Bluetooth Mobile Printer Specification: – Paper run out alarm sensor – Cash drawer interface supported – ESC/POS programming language – Android, IOS mobile connectivity – 7.4V Li-ion, 2000mAh battery, rechargeable – 7 days standby time, design with “sleep mode”to conserve battery – Clamshell design for easy media loading – Four LEDs as user interface indicators