Codec comparison of Apple Watch Series 2 42mm and Karbonn A21

The Apple Watch Series 2 42mm supports 2 codecs (AAC, SBC). The Karbonn A21 supports 1 codec (SBC).


Codec Apple Watch Series 2 42mm
Details | Change		 Karbonn A21
Details | Change
aptX LL No No
aptX HD No No
LDAC No No
AAC Yes No
UHQ No No
aptX No No
SBC Yes Yes
Bluetooth Version 4.0 2.1


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