I.R.I.S. RISCard Anywhere - Manual (Page 5)

Read this first 2
This scanner contains a rechargeable built-in Li-Polymer
battery. The battery should only be charged via USB
connection to a PC. If the battery needs replacement, the
operation should only be performed by an authorized and
qualified service person. Do not attempt to replace the
battery yourself.
Keep this scanner away from small children and do not
insert any foreign objects into the openings of this scanner,
as the ports and sockets will become damaged and the
internal components may short-circuit and lead to
explosion or fire.
If there are strange odors or heat emitting from this scanner
or any signs of malfunction, disconnect the scanner and
contact your dealer for inspection or service.