Cases for rangefinders; cases for thermostats; USB chargers; wireless chargers; chargers for smartphones; covers for smartphone chargers; portable rechargers; USB cables; wireless speakers; smart speakers; stands for smart speakers; covers for audio speakers; Audio speakers with artificial intelligence; covers and cases adapted for personal digital assistants in the shape of a watch; protective films adapted for smartwatches; apparatus for attaching protective films adapted for smartwatches; cases for earphones; cases for GPS tracking and location devices; purse-type cases for GPS tracking and location devices; protective films adapted for GPS tracking and location devices; apparatus for attaching protective films adapted for GPS tracking and location devices; cases for transmitting and receiving apparatus for tracking objects using RFID; protective films adapted for liquid crystal displays for navigation systems; apparatus for attaching protective films adapted for liquid crystal displays for navigation systems; covers for remote controls for radios, televisions, and stereos; mobile phone ring holders; protective films adapted for liquid crystal displays for smartphones; cases for smartphones; stands for smartphones; protective cases for smartphones; apparatus for attaching protective films adapted for liquid crystal displays for smartphones; cases for storing cards adapted for smart phones; straps for smartphones; smartphone stands for automobiles; smartphone chargers for automobiles; cases for headsets; luminous stickers for attaching RFID cards; protective films adapted for liquid crystal displays for laptops; protective cases for tablet PCs; protective covers for tablet PCs; protective films adapted for liquid crystal displays for tablets; apparatus for attaching protective films adapted for liquid crystal displays for tablets; cases for touchpads; Credit card cases specially adapted for smartphones; magnetic credit card holders specially adapted for smartphones; bands for personal digital assistants in the shape of a watch; bezel ring protectors for personal digital assistants in the shape of a watch; straps for personal digital assistants in the shape of a watch