Galaxy Buds 2 vs. Live, Plus & Pro: What's the difference?

What's the difference between these two Buds 2 Pro's on ? One of them looks like a 2022 model and is half off, is there anything Samsung changed between 2022 and 2023?

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Samsung Galaxy Buds 2 review: Worth it in 2024? - SoundGuys

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Samsung Galaxy Buds2 Pro - The Official Samsung Galaxy Site