Codec comparison of Apple Watch Edition Series 3 and vivo X21i

The Apple Watch Edition Series 3 supports 2 codecs (AAC, SBC). The vivo X21i supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC).


Codec Apple Watch Edition Series 3
Details | Change
vivo X21i
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 4.2 5.0


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