Electrical and physical support with attachable vehicle plug

A physical and electrical support device for use in connecting a handheld electronic unit to a port on a vehicle and for providing structural support to the handheld electronic unit via the port, the port having a port electrical contact and a port wall, the device comprising:

• a plug configured to be insertable within the port, the plug being configured to include an adjustable operative diameter to facilitate rigid engagement with the port wall for enabling a desired degree of support of the plug through contact with the port wall, the plug having at least one plug electrical contact disposable in electrical connection with the port electrical contact when the plug is engaged with the port;
• a mounting body moveably coupled to the plug and being configured to have a first form factor, the mounting body having a mount electrical contact in electrical communication with the at least one plug electrical contact;
• and
• a handheld electronic unit configured to be engageable with the mounting body, the handheld electronic device including a portion thereof having a second form factor complementary to the first form factor to facilitate engagement between the handheld electronic unit and the mounting body.