Bluetooth 5.4

Bluetooth 5.4
Bluetooth 5.4 is the latest version of the Bluetooth wireless communication standard, officially released in February 2023. It improves upon previous versions by enhancing speed, security, energy efficiency, and multi-device connectivity.

Key Features of Bluetooth 5.4

LE Audio Support – Better audio quality at lower power consumption, with features like Multi-Stream Audio for true wireless earbuds.

Periodic Advertising with Responses (PAwR) – Designed for devices in large networks (like smart homes or industrial sensors) to communicate more efficiently.

Enhanced Power Control – Optimizes power usage for longer battery life.

Improved Security – Stronger encryption and safer connections.

Better Range & Reliability – Maintains stable connections at greater distances compared to older versions.

Bluetooth 5.4 vs. Older Versions

Version Max Speed Max Range* Power Efficiency Audio Improvements
4.2 1 Mbps ~50 m Basic No
5.0 2 Mbps ~240 m Improved No
5.2 2 Mbps ~240 m Better Yes (LE Audio)
5.4 2 Mbps ~240 m Best so far Yes (advanced)

*Range depends on environment and device power.

Where You’ll See Bluetooth 5.4

New smartphones and tablets

Wireless earbuds and headphones

Smart home devices (locks, lights, sensors)

Fitness trackers and wearables

Industrial IoT equipment

If you want, I can also give you Bluetooth 5.4 in iPhones details so you know which models support it.