Samsung Unpacked was filled with neat new foldable smartphones — the Galaxy Z Fold 4 and Galaxy Z Flip 4 — two new smartwatches and a pair of improved noise-cancelling earbuds — but that wasn’t the most important announcement from the event for me.It was the inclusion of Bluetooth 5.3 in the new Samsung Galaxy Buds 2 Pro.While codecs — the format in which data is encoded, transmitted and decoded — sound awfully boring, they play a vitally important role in how headphones sound and how long their battery life lasts.
