Monster Open Ear AC228 E108 Wireless Headphones

Wireless: Monster Open Ear AC228 E108 headphones use a clip-on open-ear design for listening while remaining aware of nearby sounds. The listing specifies Bluetooth, touch controls and water resistance, but gives different total-playtime figures in the title and feature text.

At a glance

Open-ear clip-on format is intended to leave the ears uncovered for awareness of surrounding sounds.
The listing specifies Bluetooth connectivity and touch controls.
The feature text claims about 8 hours per charge and 24 hours with the charging case, while the title claims 30 hours total.

Price

$49.99Save 62%

Reference price: ~~$129.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Open-ear construction allows nearby sounds and conversations to remain audible while listening, according to the listing.
Touch control and Bluetooth connectivity are specified.
Listing claims water resistance and describes the fit as using flexible memory alloy and skin-friendly silicone.

Cons

Open-ear construction does not provide the ear-isolating listening experience of sealed earbuds.
Noise control is listed as none, so buyers seeking active noise cancellation should look elsewhere.

Technical specifications

17 specifications

Identity
Brand	Monster
Model	E108
Colour	White
Ear placement	Open Ear
Form factor	True Wireless

Connectivity and controls
Wireless connection listed	Bluetooth
Bluetooth version listed	6
Control methods listed	Touch
Charging interface	USB Type C
Compatible devices	Cellphones, Laptops, Tablets

Audio
Driver type	Dynamic Driver
Driver size	13 millimeters

Power and battery
Battery life listed	24 hours

Materials and protection
Water resistance listed	Water Resistant
Enclosure material	Plastic

Other details
Parcel dimensions and weight	10.4 x 9.8 x 3.9 cm; 90 g
Warranty description	1 Year

What to know before buying

Listing details to confirm

Battery claims conflict: the title says 30H, the details list 24 hours, and the feature text says around 8 hours per charge and 24 hours with case recharges. The title also calls the rating IPX5, while the technical details only say Water Resistant. Bluetooth 6.0 appears in the title and feature copy, whereas the specification field gives version 6. Confirm the desired total runtime and protection rating in the selected listing.

What’s in the box

Charging caseCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Listeners who want clip-on open-ear earbuds and awareness of nearby activity.
People seeking touch controls and Bluetooth pairing with a phone, laptop or tablet.
Buyers considering earbuds for walking, cycling or fitness who are comfortable with open-ear listening.

Less suited to

Listeners who need noise cancellation or strong passive isolation.
Buyers who require a confirmed 30-hour total runtime or a clearly specified IPX5 rating without resolving the listing discrepancies.

Monster Open Ear AC228 E108 Wireless Headphones · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 3 ratings

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4 stars0%0%
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Only aggregate rating information is supplied, with a very small number of ratings and all shown in the five-star category. This is too limited to establish broader customer experience or particular strengths and concerns. Consider the listed open-ear design and clarify the conflicting battery and water-resistance claims against your needs.

Frequently asked questions

How long does the battery last?

The listing is inconsistent. Its title claims 30 hours, details list 24 hours, and feature text says around 8 hours per charge with up to 24 hours using case recharges. Confirm which claim applies to the selected listing.

Do these headphones block outside noise?

They are open-ear headphones and noise control is listed as none. The design is intended to let nearby sounds remain audible rather than isolate the listener.

Are they suitable for exercise?

The listing presents them for activities such as running and cycling and claims IPX5 water resistance in its feature text. The technical details say only Water Resistant, so confirm the protection rating before relying on it.

What devices can they connect to?

The listing names cellphones, laptops and tablets as compatible devices and specifies Bluetooth connectivity.