Find any two difference between the two objects.
Object A: Apple Watch
Object B: Fitbit
1. Brand: Object A, the Apple Watch is made by Apple Inc., whereas, object B, the Fitbit is made by Fitbit Inc.
2. Operating System: The Apple Watch runs on the watchOS operating system, while the Fitbit fitness trackers run on the Fitbit OS.
Complete the following task based on the instruction and optional input provided.### Instruction:
Find any two difference between the two objects.

### Input:
Object A: Apple Watch
Object B: Fitbit

### Output:
1. Brand: Object A, the Apple Watch is made by Apple Inc., whereas, object B, the Fitbit is made by Fitbit Inc.
2. Operating System: The Apple Watch runs on the watchOS operating system, while the Fitbit fitness trackers run on the Fitbit OS.