TIMU S18-5 Portable Bluetooth Speaker

The TIMU S18-5 is a battery-powered Bluetooth speaker with tabletop mounting, touch controls and a manufacturer-claimed water-resistant design. Its compact listed dimensions and optional TWS pairing claim make it suited to portable listening, though the advertised 25W title conflicts with the listed 20-watt maximum output.

At a glance

The listing states Bluetooth 5.4, supports SD card and AUX connections, and claims pairing with another speaker through TWS. These details are not fully reconciled with the shorter technical specification list.
A 4000mAh rechargeable battery is claimed to provide up to 24 hours at 30% volume with lights off. The page also claims about three hours of charging.
The feature text claims IPX7 protection and immersion up to 3.8 feet for 30 minutes, while the technical details only say water resistant.
The product listing claims dual 60mm drivers, bass enhancement, a built-in microphone and LED lighting.

Price

$39.99Save 71%

Reference price: ~~$139.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Battery power, Bluetooth connectivity and touch control support portable, cable-free listening.
The claimed TWS pairing can suit buyers planning to pair two speakers for stereo playback.
Compact listed dimensions of 5 x 16 x 5 cm and a weight of 470 g make it straightforward to consider for travel or tabletop placement.

Cons

The 25W title claim is higher than the listed 20-watt maximum output, so the listing does not substantiate the title's power figure in its technical details.

Technical specifications

23 specifications

Identity
Brand	TIMU
Model	S18-5

Audio and connectivity
Listed wireless connection	Bluetooth
Maximum output power	20 watts
Frequency response	20000 hertz
Audio output mode	Stereo
Audio channels	2
Impedance	32 ohm
Signal-to-noise ratio	80 db
Audio driver type	Dynamic Driver
Driver size	6 centimetres
Compatible devices	Laptop, Smartphone, Tablet

Controls and power
Control method	Touch
Power configuration	Battery Powered

Dimensions and placement
Mounting type	Tabletop
Dimensions and weight	5 x 16 x 5 cm; 470 g
Listed item weight	470 g

Materials and protection
Enclosure material	Abs Plastic
Water resistance	Water Resistant
Waterproof claim	True

Other listed details
Colour	Black
Warranty type	Limited Manufacturer's Warranty
Warranty description	2 Years

What to know before buying

Listing details to confirm

The listing details are inconsistent or unconfirmed: the title says 25W but technical details list 20 watts maximum output. The feature text claims Bluetooth 5.4, SD/AUX, 4000mAh, 24-hour playback at 30% volume with lights off, and IPX7 immersion protection, while the technical table lists Bluetooth, battery power and only water resistance. Confirm which configuration and connection options apply to the selected listing.

Who is it for?

A good fit for

Buyers seeking a small battery-powered Bluetooth speaker for travel, tabletop listening or casual outdoor use.
Listeners who may use the claimed SD/AUX inputs, microphone, LED lighting or TWS pairing, after confirming these features apply to the selected listing.

Less suited to

Buyers who need a confirmed 25W output, a verified IPX7 rating or guaranteed 24-hour runtime without operating conditions.

TIMU S18-5 Portable Bluetooth Speaker · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 80 ratings

5 stars83%83%
4 stars12%12%
3 stars3%3%
2 stars2%2%
1 star0%0%

Customer feedback is limited to aggregate ratings, which are mostly five-star with a smaller share of four-star and lower ratings. That suggests generally positive reported satisfaction, but ratings alone do not explain what buyers liked or disliked. They do not resolve the listing's conflicting power, battery-runtime or water-protection claims.

Frequently asked questions

Does the TIMU S18-5 have 25W output?

The product title says 25W, but the technical details list a maximum output of 20 watts. Treat the output as inconsistent in the listing and confirm the selected configuration.

How long does the battery last?

The feature text claims up to 24 hours at 30% volume with the lights off and says charging takes about three hours. The technical details do not list battery capacity or runtime, so these remain listing claims with stated conditions.

Can it be used near or in water?

The technical details say water resistant, while feature text claims IPX7 and immersion for up to 30 minutes at 3.8 feet. Confirm the protection rating for the specific listing before relying on immersion protection.

Does it support AUX and SD card playback?

The feature text claims SD card and AUX connections, but they are absent from the technical details. Confirm these inputs are included on the selected version.