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Acoustic Design
What Makes a Speaker Sound Full and Rich Instead of Thin and Weak?
When people search for a portable bluetooth speaker, a wireless bluetooth speaker, or even compare products marketed as bluetooth speakers best bass, they often struggle to describe exactly what th...
From Sketch to Living Room: How a Modern Speaker Is Designed
Discover how modern Bluetooth speakers are designed from concept sketches to acoustic tuning, airflow engineering, resonance control, and real-world sound testing. Learn why enclosure design, passi...
What Is Bass Extension? Understanding Hz Numbers Before You Buy a Speaker
When searching for the most powerful bluetooth speaker or the loudest bluetooth speaker, most people focus on numbers watts, decibels, and frequency ranges. You’ll often see specifications like 20H...
Have a question ? We are here to help.
Our customer support is available monday to friday: 8am-8:30pm.Average answer time: 24h
Do you ship overseas?
Yes, we ship worldwide! Shipping is free for all orders over $99 USD. For orders below that amount, standard shipping rates will apply at checkout.
How long will it take to get my orders?
Estimated delivery times:
USA: 2–4 working days
Europe: 3–7 working days
Asia: 2–5 working days
Other international regions: 5–12 working days
Any question?
You can contact us through our contact page! We will be happy to assist you.
What should I do if the firmware update stops?
1.There are two common situations:
A.If you switched to another app (iOS users):
Exit UB+ SEEK (swipe up to close it).
Reopen the app — the update will resume automatically.
B.If the update stops without switching apps:
Press and hold the power button for 15 seconds (master reset).
Exit and reopen UB+ SEEK.
Follow the prompt to restart the firmware update.
2.Important:
During firmware updates, please stay inside the UB+ SEEK app. iOS restrictions prevent background updates and may interrupt the process
How do I perform a Master Reset on my speaker?
To perform a Master Reset:
Press and hold the power button for 15 seconds until the speaker restarts.
Our customer support is available monday to friday: 8am-8:30pm.Average answer time: 24h