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Direct from Cambridge SoundWorks · est. 1988

OontZ TW BudZ Ultra

OontZ TW BudZ Ultra

Regular price $39.99 USD
Regular price Sale price $39.99 USD
Sale Sold out
Shipping calculated at checkout.

True wireless earbuds · noise cancelling · IPX5 · USB-C case

Color
Quantity
Free shipping (contiguous US)
30-day money-back returns
1-year CSW warranty included
100% authentic · direct from CSW

OontZ True Wireless BudZ Ultra – Active Noise Cancelling True Wireless Earbuds, 5.0 Bluetooth Earbuds, Superior Sound, Customizable Fit, Compact Charging Case, Headset with Microphone

Comes in 2 Colors - Black or White


SUPERIOR SOUND AND RICH BASS – Designed & Engineered in the USA for Crystal Clear highs, distinct mids and rich bass, balanced audio performance at every volume level. Exceptional high-quality sound with Active Noise Cancellation to enhance your listening experience. Talk with one OontZ True Wireless BudZ ULTRA while the other BudZ charges… The perfect gift for any occasion.

QUIET MODE – Active noise cancellation technology provide immersive sound by blocking out external noise and distractions around you, so you only hear your favorite music or movie in enhanced clarity. SOUND PASSTHROUGH MODE - Allows external sounds to passthrough the BudZ to hear the world around you. No need to remove your BudZ, with a touch of a button you can hear the traffic around you, announcements on an airplane or order at your favorite coffee shop.

ULTRA-COMFORTABLE and SECURE FIT – BudZ Comfort Cushions provide a customizable fit for a higher level of comfort for hours of listening with a secure, stay-in-place fit. SWEATPROOF WEATHERPROOF SPLASHPROOF – Certified to protect against rain, and sweat from rigorous exercise, fitness and running. The OontZ True Wireless BudZ ULTRA with Quiet Mode and Sound Passthrough Mode are the ideal True Wireless earbuds designed for comfort with exceptional sound.

QUICK AND EASY CONNECTION – OontZ True Wireless BudZ ULTRA automatically connect with each other when removed from the Charging Case and with the last Bluetooth device they were connected; ON EAR TOUCH CONTROLS – With just a touch the OontZ True Wireless Budz ULTRA provide easy access to Play-Pause, switching between Quite Mode and Sound Passthrough Mode, Answering or hanging up a call and talking to SIRI.

PLAYTIME UP TO 6 HOURS: Delivers up to 6 hours of playtime on a single charge with 12 additional hours of playtime from the small charging case; PACKAGE INCLUDES: OontZ True Wireless BudZ ULTRA, Charging Case, Type C USB Charging Cable, 1-Small 1-Medium and 1-Large BudZ Comfort Cushions.

Shipping & delivery

Free shipping on every order in the contiguous US. Orders typically arrive in 3–10 business days. Tracking is emailed when your order ships.

We don't currently ship to Alaska, Hawaii, Puerto Rico, US Virgin Islands, Armed Forces addresses, or territories.

Returns & warranty

30-day returns: Email oontz@cambridgesoundworks.com within 30 days. Items must be in original condition with all packaging. This applies to all orders, including sale items.

1-year warranty against manufacturing defects, handled by the Cambridge SoundWorks team.

What's in the box

Earbuds (left + right), charging case, USB-C charging cable, and extra ear tips.

Need replacement tips or a cable? Shop accessories →

Setup, pairing & support

Pairing, charging, and troubleshooting guides are in our Help Center. Or email oontz@cambridgesoundworks.com — we usually reply within 1–2 business days.

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Wireless freedom, all-day comfort

True wireless earbuds tuned by Cambridge SoundWorks.

True wireless stereo

Both earbuds pair automatically for balanced left-right sound — or use just one.

Charging case

Pocketable case tops the buds up on the go for multiple full charges.

Hours of playtime

All-day listening from the buds, with extra charges in the case.

Built-in mic

Take calls hands-free with the integrated microphone.

Reviews for this model

Verified reviews from people who bought this exact OontZ.

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Why people buy this one direct.

100% authentic

Ships from the CSW warehouse. No marketplace counterfeits, no gray-market resellers.

Support from the makers

Email oontz@cambridgesoundworks.com — answered by the Cambridge SoundWorks team that knows this speaker best.

Parts & accessories

Cables, batteries, brackets, and cases for every model — kept available here, long after launch day.

Custom & bulk orders

Corporate gifting, event branding, and bulk pricing — from 10 units to 10,000. Get a quote →