Is Bluetooth 7 the same as Bluetooth HDT?

No. HDT is an optional feature of Bluetooth Core 7.0, so a device can carry the Bluetooth 7 label without supporting HDT.

Will a firmware update add HDT to my watch?

No. HDT needs a new radio chip, so only watches built with HDT hardware will support it.

Yes. Both devices must support HDT. Otherwise, they connect over standard Bluetooth LE.

The Bluetooth SIG doesn’t claim extra range. HDT is designed for faster, more efficient and more reliable data transfer.

No. Sensors send small amounts of data, which today’s Bluetooth already handles easily.

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