The OAK-D W is the variant of the OAK-D S2 but with a wider field of view (DFOV is ~150°). OAK-D W doesn’t have a barrel jack for supplying power, so it only has a USB-C connector for both power and communication.
Color camera is an IMX378 with 120° DFOV (Fixed-Focus).
We also have OAK-D W with 150° DFOV color camera available, which has the OV9782 (800P, FF) instead of the IMX378 CCM.