DwOTS Fire Ultra

Tap and Hold Right Earbud For 2 Seconds to cycle between ANC Mode, Normal Mode, and Transparency Mode.
ANC Mode blocks background noise
Transparency Mode lets in outside sound so you stay aware
Normal Mode keeps it off for a balanced experience

The Hybrid ANC reduces noise up to 32dB, which is great for office buzz, commute noise, or travel. Whether it’s engine sounds or background chatter, you’ll hear your audio clearly without turning the volume up too high.

Yes, Latency is as low as 40 ms, so what you see and hear stay perfectly in sync, great for mobile gaming or streaming.

These are built-in sound modes you can switch depending on what you're listening to:
Bass Mode: Boosts low-end for music lovers
Theatre Mode: Gives a more immersive soundstage — great for movies or podcasts
You can switch modes with the touch controls on the earbuds — no app needed.

Yes — FIRE ULTRA comes with two separate pairs of earbuds (4 earbuds total), and both pairs can work independently.
With Dual Sharing, both pairs of earbuds can connect to the same device (Please check the device compatibility) at once. So you and someone else can enjoy the same music or movie together, each using your own pair — no more awkwardly sharing a single bud.
With Individual Connectivity, each pair can connect to a different device at the same time. For example, one pair can stay connected to your phone while the other pair connects to your laptop or tablet.

FIRE ULTRA gives up to 75 hours of total playtime with the case. Even with ANC on, you’ll get several full days of use. And with USB-C fast charging, a short top-up gets you hours of playback.

Yes — with an IPX5 rating, FIRE ULTRA is sweat-resistant and splashproof. Whether you're at the gym or caught in light rain, you’re good to go.

You’re covered with a 1-year warranty against manufacturing defects. And ACwO’s support team is available on WhatsApp and email if you ever need help.