MJOFFIN x19s Bone-Conduction Open-Ear Headphones

MJOFFIN x19s bone-conduction headphones use an open-ear design intended to leave ambient sounds audible during outdoor activities. The listing claims up to 10 hours of playback, a 22 g weight and water resistance, but does not specify an IP rating in its technical details.

At a glance

Open-ear fit is intended to keep the ears uncovered so users can hear surrounding sounds while listening.
Listing claims Bluetooth 6.0, a built-in microphone for calls and up to 10 hours of listening time.
The feature description specifies IP55 protection against sweat and light splashes, and says the headphones are not for swimming or prolonged immersion.
The listed weight is 22 g, with a flexible titanium frame described in the product details.

Price

$29.98Save 70%

Reference price: ~~$99.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

Open-ear bone-conduction design suits listeners who want to avoid plugged-in earbuds and remain aware of nearby sounds.
Claimed 10-hour playback and approximately 1.5-hour full charging time support use across workouts or a commute.
USB Type-C charging cable is listed among the included contents.

Cons

Open-ear playback does not seal off surrounding noise, so it may be less suitable where sound isolation is important.

Technical specifications

20 specifications

Identity
Brand	MJOFFIN
Model	x19s
Color	Midnight Black

Design and fit
Form factor	Bone Conduction
Ear placement	Open Ear
Earpiece shape	Hook
Weight listed	22 g
Enclosure material	Titanium

Connectivity and controls
Wireless connection listed	Bluetooth
Bluetooth version	6
Control type	Button Control
Charging interface	USB Type C
Headphone jack	No Jack

Audio
Driver type	Bone Conduction Driver
Impedance	80 ohm
Sensitivity	88 db

Power and protection
Water resistance listed	Water Resistant
Additional features	Fast Charging, Sweatproof
Claimed playback time	up to 10 hours
Claimed full charge time	1.5 hours

What to know before buying

Listing details to confirm

The specification table says only “Water Resistant,” while the feature text claims IP55. Treat the rating as a listing claim and note that the headphones are not intended for swimming or prolonged immersion. The 10-hour figure is also a claimed maximum, not a guaranteed runtime.

What’s in the box

Included

Eartip
Headphone body
Silicone tension band
USB charging cable
User manual

Who is it for?

A good fit for

Runners, cyclists and walkers who prefer an open-ear fit and want to remain aware of ambient sounds.
Workout users seeking lightweight wireless headphones with a claimed sweat and splash resistance.
Listeners who want bone-conduction headphones for music, podcasts and hands-free calls.

Less suited to

Swimming or prolonged water immersion.
Listeners who need an in-ear seal or strong isolation from surrounding noise.

MJOFFIN x19s Bone-Conduction Open-Ear Headphones · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 380 ratings

5 stars100%100%
4 stars0%0%
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The supplied information contains aggregate ratings but no customer-comment summary. Although the reported rating distribution is uniformly five-star, ratings alone do not establish what buyers liked, how the headphones perform, or whether they suit a particular use.

Frequently asked questions

Are the MJOFFIN x19s suitable for swimming?

No. The feature description says they are not designed for swimming or prolonged water immersion. It claims IP55 protection for sweat and light splashes.

How long does the battery last?

The listing claims up to 10 hours of listening time. Actual runtime is not confirmed and can depend on use.

How do they charge?

The listing specifies USB Type-C charging and says a full charge takes about 1.5 hours. A USB charging cable is listed in the package contents.

Do these headphones block ambient sounds?

They have an open-ear bone-conduction design intended to leave the ears uncovered, rather than isolating the listener from surrounding sound.