Monster Harmonic N22 Over-Ear ANC Bluetooth Headphones

Bluetooth: Monster Harmonic N22 headphones combine over-ear fit, active noise cancellation, ambient sound mode and wired or wireless listening. The listing highlights long playback in ANC-off mode, but its separate battery-life fields give different figures, so check the notes before relying on a runtime estimate.

At a glance

Three listening modes are described as ANC, transparency or ambient sound, and standard mode.
The listing claims up to 110 hours of listening with ANC off and says a 10-minute charge supports five hours of playback.
Foldable over-ear design, adjustable headband and both Bluetooth and 3.5 mm audio are listed.
The manufacturer describes 40 mm dynamic drivers and button controls.

Price

$49.99Save 79%

Reference price: ~~$238.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Wired 3.5 mm listening is listed alongside wireless connectivity, offering a cable-based option.
Ambient sound mode is listed for listening while remaining more aware of surrounding sounds.
Foldability and an adjustable headband support storage and fit adjustment.

Cons

Battery figures are not consistent across the listing, and the 110-hour claim applies specifically with ANC off.

Technical specifications

25 specifications

Identity and fit
Brand	Monster
Model	Monster Harmonic N22
Form factor	Over Ear
Color	White
Driver type	Dynamic Driver
Driver size	40 millimeters

Audio and controls
Noise control	Active Noise Cancellation
Additional noise modes	Active Noise Cancellation, Ambient Sound Mode, Passive Noise Isolation
Controls	Push Button

Connectivity and interfaces
Wireless connection listed	Bluetooth, Wi-Fi
Bluetooth version	6
Bluetooth range	33 feet
Headphone jack	3.5 mm Jack
Hardware interface	3.5mm Audio, USB Type C
Input-device interface	3.5 Millimeter Jack, Bluetooth

Power and battery
Battery life listed	70 hours
Playback claim with ANC off	up to 110 hours of listening time on our over-ear headphones in ANC OFF mode
Quick-charge claim	10 minutes of quick charging supports 5 hours of continuous audio playback
Charge time	2 hours

Design and materials
Foldable	Foldable
Headband	Adjustable Headband
Enclosure material	Leather, Plastic

Use and compatibility
Compatible devices	Cellphones, Gaming Consoles, Laptops, Tablets, Television

Other listed details
Warranty description	1 Year Manufacturer
Age range	Adult

What to know before buying

Listing details to confirm

Battery life is contradictory: the details list 70 hours, while feature copy claims up to 110 hours with ANC off. The applicable runtime with ANC on is unconfirmed. The listing also names Wi-Fi alongside Bluetooth for wireless technology, but does not explain Wi-Fi's role or how it connects to the stated 3.5 mm and Bluetooth interfaces. Confirm these details if they affect your purchase.

What’s in the box

Included

1x Aux cable
1x Monster Persona 4th ANC headphones
1x Type C charging cable
User manual

Who is it for?

A good fit for

Listeners wanting over-ear headphones with listed ANC and an ambient sound option.
Travel or everyday users who value foldable headphones and a stated long-playback claim with ANC off.
People who want a choice of Bluetooth or 3.5 mm wired audio.

Less suited to

Buyers who need a clearly specified battery runtime with ANC enabled.
Buyers seeking confirmed Wi-Fi headphone connectivity or an unambiguous explanation of how it works.

Monster Harmonic N22 Over-Ear ANC Bluetooth Headphones · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 7 ratings

5 stars100%100%
4 stars0%0%
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The supplied evidence contains aggregate ratings but no review-summary text. The ratings are uniformly five-star within a small sample, which is a limited positive signal rather than evidence about specific strengths, battery performance or noise cancellation.

Frequently asked questions

How long does the battery last?

The listing gives two different figures: 70 hours in its details and up to 110 hours with ANC off in feature copy. It does not confirm runtime with ANC on.

Can these headphones be used with a cable?

The listing specifies a 3.5 mm headphone jack and wired connectivity. An auxiliary cable is included in the package contents list.

What listening modes are listed?

The product copy describes ANC, transparency or ambient sound, and standard sound modes.

Does the listing confirm Wi-Fi audio connectivity?

It lists Bluetooth and Wi-Fi under wireless technology but does not explain Wi-Fi's role. Confirm this detail if it matters to your setup.