Okjew TM002 7.5W Bone-Conduction Vibration Speaker

Bone-Conduction: The Okjew TM002 is a compact Bluetooth vibration speaker that uses a surface to produce sound. Its listed 7.5-watt output and LED lighting may suit casual listening, but sound depends on attaching it to a suitable smooth surface and the stated playback time is limited.

At a glance

Surface-vibration audio is intended to resonate through an attached surface rather than work like a conventional speaker placed freely in a room.
The listing describes colorful music-sync LED lighting and Bluetooth pairing with phones and tablets.
Aplus information states 60 to 90 minutes of playback on a full charge.

Price

$20.99Save 18%

Reference price: ~~$25.49~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Very light at the listed 75 g and small enough for portable use.
Surface vibration can make suitable hollow or smooth objects act as the sound-radiating surface.
The listing includes colorful lights and describes TWS pairing for an enhanced stereo effect with a second speaker.

Cons

The stated 60 to 90 minutes of playback is short for extended listening away from charging.
The speaker is explicitly described as not waterproof, limiting suitability around water or wet outdoor conditions.
The listing says the suction cup does not hold firmly on rough surfaces and should not remain on a vertical wall for extended periods.

Technical specifications

23 specifications

Identity
Brand	Okjew
Model	TM002

Audio
Maximum output power	7.5 watts
Frequency response	20 KHz
Audio output mode	Surround
Audio channels	1
Speaker type	3D
Driver type	Bone Conduction Driver

Connectivity and features
Wireless connection listed	Bluetooth
Compatible devices	Smartphone, Tablet
Additional features	Hi Res Audio, LED Light, Lightweight, Portable, Stereo Pairing
Bluetooth range	33 feet
Maximum range listed	10 meters

Power and battery
Power configuration	Battery Powered
Battery requirement listed	1 9V batteries required.
Input voltage	5 volts

Dimensions and installation
Mounting type listed	Floor Standing
Dimensions	2"D x 2"W x 1.1"H
Weight	75 g
Enclosure material	Aluminum, Plastic

Other details
Waterproof	False
Color	Gray 1
Warranty description	1 year

What to know before buying

For sound, attach the speaker to a smooth surface as instructed. Rough surfaces are described as unsuitable, and vertical-wall attachment is limited to a few hours in the listing's guidance.

Listing details to confirm

The listing is inconsistent about power and connection details: it specifies both a required 9V battery and a full-charge playback claim, while also listing a 5-volt input and a power cable. Bluetooth 5.0 is claimed in feature text, but the technical details only state Bluetooth. It also lists Floor Standing mounting despite describing suction-cup surface attachment, and gives both 10 meters and 33 feet for range. Confirm the intended power method, included cable, connection version, range and mounting setup in the selected listing.

Who is it for?

A good fit for

Buyers curious about a small vibration speaker that uses compatible surfaces to shape its sound.
Listeners who want a lightweight Bluetooth speaker for brief, casual playback and visual LED effects.

Less suited to

Anyone needing waterproof or wet-location listening.
Buyers seeking long playback sessions or a conventional speaker that works without surface attachment.
People planning to leave a suction-mounted speaker on a vertical wall for long periods.

Okjew TM002 7.5W Bone-Conduction Vibration Speaker · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 61 ratings

5 stars70%70%
4 stars11%11%
3 stars7%7%
2 stars6%6%
1 star6%6%

Aggregate ratings lean positive, with most ratings in the top category, but lower ratings are also present. Without customer-comment details, the figures do not explain what users liked or disliked. For this product, the surface attachment requirement and short stated playback window are practical factors to weigh regardless of the overall rating.

Frequently asked questions

Does the Okjew TM002 need to touch a surface to make sound?

Yes. The listing says it needs to be attached with its suction cup to a smooth surface for proper operation. It also says rough surfaces do not work well.

How long does the speaker play on a charge?

The listing states 60 to 90 minutes per full charge. Power details elsewhere conflict, so verify the power arrangement for the selected listing.

Can it be used in a bathroom or outdoors in wet conditions?

The listing says it is not waterproof, so it is not specified for wet conditions.

Does it support stereo pairing?

Stereo pairing is listed as a feature, and the product text describes TWS dual-speaker pairing. The supplied information does not establish that a second speaker is included.