Bluetooth compatibility of Apple Watch Series 9 with Sennheiser HD1 Wireless

The Apple Watch Series 9 and Sennheiser HD1 Wireless have 1 common Bluetooth A2DP audio codec (SBC). The Apple Watch Series 9 supports 1 codec (SBC). The Sennheiser HD1 Wireless supports 2 codecs (aptX, SBC).


Codec Apple Watch Series 9
Details | Change
Sennheiser HD1 Wireless
Details | Change
aptX LL No No
aptX HD No No
LDAC No No
AAC No No
UHQ No No
aptX No Yes
SBC Yes Yes
Bluetooth Version 5.3 4.0


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