If you are using the BT320 Printer/BT620 Printer, yes, you can print from Android/iOS via Bluetooth using the 'Rekdom Printer' app.
If you are using the RD560 Printer, yes, you can print from Android/iOS via Bluetooth using the 'Label Expert' app.
If you are using the LP320/LP620 Printer, please note that these two models require a USB wired connection.
BT320 BLUETOOTH LABEL PRINTER 
BT620 BLUETOOTH LABEL PRINTER 
RD560 BLUETOOTH LABEL PRINTER 
LP320 LABEL PRINTER 
LP620 LABEL PRINTER 
TSL001 4x6 Thermal Labels 
TSL002 4X6 Thermal Label 
LH001 LABEL HOLDER 
LR21 2X1 Thermal Label 
LR22 2X2 Thermal Label