System formed by at least one hand-held power tool, at least one first interface, and at least one electrotechnical product

A tool system comprising:

• a system having (i) at least one hand-held power tool including a housing having a handle, a drive motor arranged in the housing and coupled to a tool receiver, and at least one first interface configured to receive information from at least one second external interface and/or to send information to the at least one second external interface, and (ii) at least one electrotechnical product comprising another housing;
• and
• an external unit having the at least one second interface configured to receive information from the at least one first interface and/or to send information to the at least one first interface,
• wherein the housing of the at least one hand-held power tool and the housing of the at least one electrotechnical product each have a receiving opening configured to be releasably closed by a cover,
• wherein the cover closes the housing of the at least one hand-held power tool outwardly, and
• wherein the at least one first interface is configured to be removably arranged in the receiving openings.