Abstract: Disclosed is handheld interaction device with a housing providing shape and structure to a handheld interaction device, a battery configured to power the handheld interaction device, user-interface element(/s) arranged on an outer surface of the housing, detection sensors arranged on the housing and configured to collect detection sensor data, and a processor communicably coupled to memory. The processor is configured to: determine, using collected detection sensor data, an area on outer surface of the housing, which user is in contact with, when in use; and configure at least one of plurality of detection sensors, that is located outside of the determined area, as input sensor to receive interaction from user when in use.