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Black cylindrical portable speaker with LED display and RGB lighting, 2.9 inches diameter, 7.3 inches tall, includes lanyard

MOMOHO B78 Portable Speaker 35W IP67 24H Bluetooth 5.4 RGB Black

SKU CH-CXNR-2319H

Delivers 35W stereo sound with deep bass, IP67 waterproofing, 24-hour battery, Bluetooth 5.4, RGB lighting, and a smart LED display in a compact 1.32 lb design

  • Product nameB78
  • Connection optionsBluetooth, Wireless, Auxiliary, TF-Card, USB-C
  • Speaker categoryPortable Speaker
  • Input sourcesBluetooth, Wireless, Auxiliary, TF-Card, USB-C
  • Operating distance100 ft (30.5 m)
  • Speaker setup2.0
  • 35W 2-way stereo sound with dual passive radiators
  • IP67 waterproof and dustproof for pool or beach use
  • Up to 24 hours playtime from 5000mAh battery
  • Smart LED display shows volume 1-31 and battery percentage
  • Bluetooth 5.4 with 100 feet range and TWS stereo pairing

Portable Bluetooth speaker for outdoor use

The MOMOHO B78 is a portable Bluetooth speaker built for outdoor use. Its IP67 rating blocks water and dust so it survives pool, beach or rain exposure. A 5000 mAh battery delivers up to 24 hours of playtime depending on volume and light settings. The compact 2.9 by 2.9 by 7.3 inch body weighs 1.32 lbs and includes a lanyard for easy carrying.

Buyers who need a display and long battery life

This model suits buyers who want a smart LED display showing battery percentage, volume levels 1 to 31 and connection status. It also fits users who need multiple input options including Bluetooth 5.4, auxiliary, TF card and USB-C. Shoppers who require more than 35W output or a speaker configuration beyond 2.0 should look at larger systems.

35W 2.0 stereo output with dual passive radiators

The speaker produces 35W through a 2.0 configuration with dual passive radiators for deep bass and dedicated tweeters for crisp highs. Three EQ modes (Music, Bass Boost, Vocal) adjust the sound signature instantly. TWS pairing links two units for a wider stereo soundstage while dynamic RGB lights pulse to the beat.

How it compares

Measured against everything we stock in Bluetooth & Party Speakers, at today’s prices. Recalculated every night.

Price $39.99
Typical for this category: the median of 862 items is $39.99.

Specifications

Product
Brand nameMOMOHO
Model nameMOMOHO B78
Product nameB78
Audio & video
Speaker categoryPortable Speaker
Speaker setup2.0
AmplificationActive
Connectivity
Connection optionsBluetooth, Wireless, Auxiliary, TF-Card, USB-C
Operating distance100 ft (30.5 m)
Ports & slots
Input sourcesBluetooth, Wireless, Auxiliary, TF-Card, USB-C
Size & build
Product dimensions2.9 in × 2.9 in × 7.3 in
In the box
In the box1 x Portable Bluetooth Speaker, 1 x USB-C Charging Cable, 1 x AUX Cable, 1 x User Manual, Lanyard

Questions about this item

Will the 5000 mAh battery be user-replaceable when it eventually loses capacity?

The battery is built into the sealed IP67 enclosure and is not designed for user replacement; service would require opening the waterproof chassis.

What limits continuous output during a long party — the 35 W amplifier or the thermal design?

The 35 W rating is the maximum output; sustained high-volume play will hit thermal limits before the amplifier clips, so the speaker reduces power to protect itself.

How loud does the cooling fan get when the RGB lights and 35 W output run all day?

There is no cooling fan; the speaker relies on passive heat dissipation, so operation stays silent while the enclosure warms moderately during extended use.

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