In one implementation, {HEAD ~ the device} is {TAIL ~ a handheld printer} having a wireless communication module to receive image data from a host device 
is
In one implementation , { HEAD ~ the device } is { TAIL ~ a handheld printer } having a wireless communication module to receive image data from a host device
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH