Overview
- The Bluetooth Special Interest Group has formally added Bluetooth High Data Throughput (HDT) as an optional part of Bluetooth Core 7.0, increasing the standard's maximum LE bit rate from 2 Mbps to 7.5 Mbps.
- The SIG says the flagship use for HDT is premium wireless audio because the higher sustained rate can carry lossless and high-resolution formats plus multi-channel and spatial audio over a standard Bluetooth profile.
- Higher throughput also shortens radio-on time, which can cut audio latency, speed firmware updates and reduce energy use for devices like smartwatches, XR headsets and small personal AI gadgets.
- HDT is optional and requires new processors or chipset changes, so real-world rollout will depend on chipmakers and device makers deciding to include the feature and absorb the added cost.
- The SIG expects the first HDT-capable products to appear in the next year, but widespread adoption is uncertain and will be shaped by major vendors' choices and how quickly silicon partners add support.