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Bluetooth 6.0: What You Need to Know About the Future of Wireless Headphones

Bluetooth got a major upgrade, and it’s already showing up in phones and headphones. Here’s what to expect and what we’re still waiting for.

The Bluetooth Special Interest Group announced version 6.0 of the near-ubiquitous wireless technology in Sept. 2024, adding some major new features that aim to improve Bluetooth’s reliability, security, smoothness and efficiency. It might even get you a greater range between your headphones and phone, as well as longer battery life. 

We’re finally seeing devices arrive with Bluetooth 6.0, including phones from Apple and Google, as well as headphones and earbuds. Here’s what you need to know about Bluetooth 6.0 and how it will affect wireless connectivity for years to come. 

Main improvements of Bluetooth 6.0

Latency

Latency is the time between an audio signal being sent and when you actually hear it. The higher the latency, the more annoying it can be — think of when the sound lags behind the video in movies or games. Most Bluetooth (5.0 and newer) devices have latency somewhere between 50 to 100 milliseconds, depending on gear and configuration, which is noticeable to most people. 

Bluetooth 6.0’s new isochronous adaptive layer, or ISOAL, allows devices to break up audio data into smaller chunks for quicker processing. In theory, this has the potential to reduce latency, and it’s possible that we might see latency under 10 milliseconds under ideal conditions, such as close range, no obstacles and no interference. 

We expect that under real-world conditions, the majority of setups will operate at a latency of around 20 milliseconds, which would still represent a significant improvement over Bluetooth 5.x. 

Location tracking and security

One of the new spec’s most buzzworthy features is called Channel Sounding, which provides a significant improvement in the accuracy of device location tracking. It relies on a back-and-forth exchange of data packets between connected devices and a combination of time stamps and frequency analysis, rather than the old, less accurate method of just measuring relative signal strength. 

Channel Sounding is a boon for Apple’s Find My and its Google and Samsung equivalents, offering location accuracy down to approximately 10 centimeters, along with improved resistance to obstacles and interference. It also enables enhanced security for Bluetooth lock systems using a combination of encryption, randomization and location cross-referencing to ensure some random person isn’t unlocking your car or front door. 

Power efficiency and pairing speed

The same features that reduce latency also help with power efficiency: Everything behaves intelligently to use more power for keeping audio and video in sync for things like gaming, and less power for less intensive applications like audiobooks. This flexibility is especially crucial for wireless earbuds, which require the most effective power management due to their compact size. 

The process of scanning for nearby Bluetooth devices is also being upgraded, with decision-based advertiser filtering and monitoring. Advertising in this case doesn’t refer to selling you products. Basically, it’s a set of headphones broadcasting, “I’m a headset, and I’m nearby and ready to connect.”  

Instead of constantly shouting, “Is anyone there?!” to see if there’s anything nearby to connect to, Bluetooth 6.0 devices will keep track when previously paired devices go in and out of range. This should save precious battery life, make pairing quicker and provide smoother multipoint switching.

What Bluetooth 6.0 doesn’t do

Improved Bluetooth sound quality (maybe)

Were you waiting for reliable, wireless lossless audio transmission from your phone to your headphones? Still not there yet. 

Astute readers who note that CD-quality lossless audio transmission requires 1.4Mbps of throughput speed may wonder why Bluetooth 6.0’s theoretical 3Mbps isn’t enough. It’s because much of Bluetooth’s bandwidth is taken up by overhead — a bunch of ancillary data that’s required for secure Bluetooth connections that has nothing to do with audio. While there are some codecs that promise high-quality wireless audio, lossless CD-quality audio remains elusive.

Bluetooth 6.0 does bring the optional long-discussed LC3plus codec, which can transmit up to 24-bit and 96kHz audio. However, unlike “regular” LC3, this is an optional codec that has a separate licensing fee. That means there will be limited adoption compared to the more popular codecs. Remember, both your device and headphones must be compatible with LC3plus for it to work. How well it works and whether it can reliably transmit 24/96 in the real world remain to be seen.

A future incremental revision of Bluetooth 6.0 promises to add a high-data-throughput feature that will open up usable bandwidth for lossless streaming, potentially by using other frequency bands besides the crowded 2.4GHz band, to achieve speeds of up to 7.5Mbps. That should provide enough headroom to enable high-res audio streams, though it’s unclear if manufacturers will adopt the right codecs for lossless Bluetooth audio via headphones. Given past and current adoption rates for different Bluetooth codecs, it is unlikely to be Apple, and this technology will instead first find its way into lesser-known Android phones.

Where to find Bluetooth 6.0 right now

If you want to get a head start on Bluetooth 6.0 compatibility, there are a handful of devices already shipping (though not all of these are available in the US).

Technologies

Trump Maintains US‑Iran Negotiations Continue Amid Tehran’s Denials of Duplicity

President Trump insists that US‑Iran talks are ongoing despite Tehran’s denial of any negotiation plans, while warning that only a deal or total surrender will allow passage through the Strait of Hormuz. Conflicting statements from both sides have heightened uncertainty as the conflict enters its sixth month.

On Monday, President Donald Trump asserted that negotiations between the United States and Iran are still taking place, even after Tehran stated it has no intention of engaging in direct talks with Washington.

In a fiery Truth Social post, Trump labeled Iran’s leaders “unbelievably duplicitous,” claiming they are lying about ongoing peace talks “whether Iran wants to admit it or not.” He repeated his assertion that the United States completely controls the Strait of Hormuz, despite maritime traffic through the crucial route lingering at only a small fraction of pre‑conflict levels.

He wrote, “Nothing reaches Iran unless we allow it, and nothing will pass unless a deal—or total surrender—is achieved.”

Earlier that day, Iranian Foreign Ministry spokesperson Esmail Baghaei told reporters there is no imminent plan for U.S.–Iran negotiations, contradicting Trump’s earlier comment that talks would resume Monday afternoon. Baghaei added that Iran’s only current discussions are with Oman concerning the Strait of Hormuz.

The conflicting statements have heightened uncertainty over the peace‑talk process and the broader conflict, now in its sixth month.

Trump’s assertion about new negotiations came a day after he said on Truth Social that he had agreed to cancel a massive strike against Iran “subject to being able to rapidly make a DEAL.” He said in the same post that Iran and other Middle Eastern countries had asked him to hold off on that attack because “the perimeters of a deal has been agreed to.”

Trump has claimed dozens of times throughout the more‑than‑five‑month‑long war that a deal is at hand. No permanent deal has been signed, and a temporary ceasefire reached in June has fallen apart.

Trump has also repeatedly threatened to launch devastating strikes against Iran before backing off. After the latest example, oil prices on Monday fell and stocks surged.

BMI, a research unit of Fitch Solutions, said in a note Monday that a broader diplomatic understanding on reopening the Strait of Hormuz is still achievable this quarter, while raising the probability of its escalation scenario to 35% from 25%, citing mounting military, diplomatic and economic signs of rising U.S.-Iran tensions.

“Diplomatic progress is likely to be punctuated by periodic military flare-ups, while miscalculation by either side could trigger a renewed escalation,” BMI analysts wrote in a note. The firm said the key issue to watch is the future governance of the strait, as the Iran-Oman talks — potentially backed by Gulf states, China and the U.S. — point to efforts to build a post-conflict shipping framework.

Shipping risks persist even as diplomacy appears to be advancing. The United Kingdom Maritime Trade Operations Centre said it received a report of an incident 20 nautical miles (23 miles) northeast of Khasab, Oman — at the mouth of the strait — with a tanker’s master reporting an explosion in close proximity to the vessel at about 20:37 UTC Sunday (4:37 pm ET). The vessel and crew were safe and authorities are investigating, UKMTO said, advising ships to transit with caution.

The proposal Trump announced over the weekend calls for the U.S. and Iran to return to negotiations and continue ironing out some of the thorny issues that had derailed diplomatic efforts, according to The Associated Press, citing a regional official involved in the mediation efforts.

The official said the proposal also includes a reopening of the Hormuz Strait and halting attacks across the region, including by Iranian-backed militias in Iraq on the Arab Gulf countries and Jordan.

The U.S., for its part, will end its naval blockade on Iran and allow Tehran to export its oil, the official said, adding that no deal has been reached, although the mediation efforts remained underway.

Trump’s weekend reversal has lowered the temperature after days of escalating attacks across the Gulf. Kuwait said Saturday that Iranian forces launched a wave of drones within its airspace, with its military destroying multiple aircraft after Iran targeted critical infrastructure in the country’s north.

A parallel track with Muscat is also advancing. Iranian diplomats said Tehran was close to reaching a new arrangement with Oman to manage shipping through the Strait of Hormuz, a deal critical to preventing the war from escalating further, according to the Financial Times.

Iranian officials said negotiations over future management of the Hormuz Strait with Oman, which sits on the opposite shore of the waterway, are in their final stages. The agreed shipping route would be different from those used before, according to Iran’s Foreign Ministry spokesperson, Baghaei, adding that the new route was separate from the issue of the strait’s reopening or continued closure.

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Technologies

Oil Prices Slide as Trump Halts Planned Iran Strike

Oil prices dropped after Trump cancelled a planned strike on Iran, with WTI down about 5% and Brent near 5% lower. He said the move followed requests from Tehran and regional allies for a pause while a deal shaping the Strait of Hormuz and Iran’s nuclear program is negotiated.

Oil prices fell on Monday after President Donald Trump announced he had cancelled a planned strike on Iran. WTI futures dropped roughly 5% to $80.34 a barrel, while Brent slipped about 4.7% to $83.77 a barrel.

Trump said early Sunday he called off the strike after Iran and several Middle Eastern nations asked him to hold off, noting that the outlines of a deal had been agreed upon. He added that the prospective accord would entail the immediate, full opening of the Strait of Hormuz and an end to Iran’s nuclear ambitions, according to his Truth Social post.

The president had been considering another round of strikes as diplomatic hopes waned since the conflict began on February 28. He said the U.S. and Iran would meet for talks on Monday, but Iran denied any scheduled negotiations with Washington, citing PressTV. Iran’s foreign‑ministry spokesperson Esmaeil Baghaei clarified that Tehran was only discussing shipping routes through the Strait of Hormuz with Oman. In a follow‑up Truth Social message, Trump insisted that, regardless of Iran’s acknowledgment, the United States is indeed discussing a solution to a long‑standing problem created by Iran.

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Technologies

Oil Prices Drop as Trump Cancels Planned Attack on Iran

Oil prices fell sharply after President Trump announced the cancellation of a planned strike on Iran, citing a new deal that would open the Hormuz Strait and end Iran’s nuclear threat.

Oil prices fell sharply on Monday after President Donald Trump announced that he had called off a planned strike on Iran.

West Texas Intermediate futures, the U.S. benchmark, slipped roughly 5% to close at $80.34 per barrel, while Brent crude, the international benchmark, declined 4.7% to settle at $83.77 a barrel.

Trump made the announcement early Sunday, saying he had canceled the strike following requests from Tehran and other Middle Eastern countries.

In a Truth Social post, he wrote: “We have just been asked by Iran, and other Middle Eastern Countries, to hold off any attack in that the perimeters of a deal has been agreed to.”

The president indicated that the proposed agreement would include the immediate, complete, and total opening of the Hormuz Strait, as well as an end to Iran’s nuclear threat.

Trump had been weighing additional strikes amid diminishing prospects for a diplomatic resolution to the conflict that began on Feb. 28. He stated that the U.S. and Iran would hold negotiations on Monday.

Tehran denied that talks were planned with Washington, according to state news outlet PressTV.

Iran’s Foreign Ministry spokesman Esmaeil Baghaei said Tehran was only holding talks with Oman regarding the routes ships can use through the Strait of Hormuz.

In a subsequent Truth Social post, Trump added that whether “Iran wants to admit it or not, we are, in fact, talking of a solution to a problem that they have caused for decades.”

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