TOZO NC9 Royal Blue Active Noise Cancelling Earbuds - Long Battery

In this review of the TOZO NC9 Royal Blue earbuds, the bottom line is straightforward: these are a strong choice for listeners who want robust noise control and long battery life in a comfortable, waterproof in-ear package. The NC9's hybrid active noise cancelling system and dual noise-cancelling microphones make them especially useful for commuters and remote workers who need to reduce distractions, while the compact charging case extends playtime for long days away from a power outlet. The review examines comfort, sound, ANC performance, battery life and app features to help decide if they fit your daily routine.

Key Features

• Hybrid Active Noise Cancellation: A three-layer ANC system uses outward and inward microphones plus ear caps to sharply reduce environmental noise for quieter listening.
• Transparent Mode: Lets ambient sound in when needed so users can hear announcements or hold quick conversations without removing the earbuds.
• Dual Noise Cancelling Microphone: Two external and one internal microphone isolate voice and suppress background sounds for clearer calls in noisy places.
• Long Battery Life: Over 13 hours of playback on a single charge and up to 27 additional hours from the charging case keeps music going through lengthy commutes or travel.
• Waterproof Protection: IPX6 nano-coating defends against sweat and splashes, making the earbuds suitable for workouts and outdoor use.
• TOZO App Presets: Thirty-two preset modes and app EQ controls let listeners tailor bass and balance to their personal taste.

Who It's For

The NC9 Royal Blue earbuds are best for people who prioritize noise reduction and long runtime: daily commuters, frequent flyers, and anyone who wants immersive sound and deep bass without bulky over-ear gear. The waterproofing and multiple earcap sizes also make them a solid pick for fitness-minded users who sweat during workouts.

They are less ideal for audiophiles who demand studio-grade tuning or for buyers who require a perfectly consistent pairing experience every time; a small number of users report mixed connection behavior. If you need professional-grade microphones for broadcast work, consider more specialized headsets.

Pros & Cons

Pros

• Effective hybrid ANC that layers external and internal cancellation for noticeably quieter listening.
• Extended on-device and case battery life that supports all-day use and multi-day standby of the charging case.
• Comfortable gel-flexible earcaps with multiple sizes for a secure fit and good passive isolation.
• IPX6 water resistance and a feature-rich app with 32 presets for personalized sound.

Cons

• Some users report inconsistent Bluetooth pairing and occasional connection trouble on certain phones.
• Build longevity may vary according to customer reports, so durability could be mixed over long-term use.

Specifications

Model	NC9 Royal Blue
Noise Cancellation	Hybrid 3-layer ANC with inward/outward mics
Battery Life	13+ hours single charge, 27 hours with case
Bluetooth	Bluetooth 5.3
Waterproof Rating	IPX6
App Features	TOZO app with 32 preset modes and EQ
Microphones	Dual noise-cancelling microphone system

Our Verdict

The TOZO NC9 Royal Blue earbuds deliver a compelling mix of active noise cancellation, long battery life and comfort at a reasonable price, making them a smart buy for commuters and general listeners who want strong ANC and deep bass without bulky headphones. They represent good value for anyone seeking a feature-packed in-ear option, provided occasional pairing quirks are acceptable.

Frequently Asked Questions

How long does the battery last in ANC mode?
The earbuds can last over 7 hours per single charge when Active Noise Cancellation is enabled, with the charging case providing additional hours.

Can I use one earbud at a time?
Yes, the NC9 supports single-ear use; picking one earbud from the case will power it on and pair it for mono listening.

Is the transparent mode useful for travel?
Yes, Transparent Mode allows ambient announcements and nearby speech to be heard clearly without removing the earbuds, which is handy on public transit and in airports.