Apple MagSafe Charger - Original version of the MagSafe charger for older Apple laptops.
Apple MagSafe 2 Charger - Secound version of the MagSafe charger for Apple laptops.
Dell USB-C Charger - This charger is used on the newest MacBooks, some Dells and Chromebooks.
USB DVD player / writer
Please check Charger compatability here: