Codec comparison of Apple Watch Series 2 38mm and Energizer Energy E551S

The Apple Watch Series 2 38mm supports 2 codecs (AAC, SBC). The Energizer Energy E551S supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC).


Codec Apple Watch Series 2 38mm
Details | Change
Energizer Energy E551S
Details | Change
aptX LL No No
aptX HD No Yes
LDAC No Yes
AAC Yes Yes
UHQ No No
aptX No Yes
SBC Yes Yes
Bluetooth Version 4.0 4.0


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