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Yellow cylindrical speaker with fabric wrap and light ring

HEYSONG

HEYSONG REVERB BT138P portable speaker Bluetooth 5.0 5000mAh 40h IPX7 Yellow

SKU CH-AMCF-7YWRA

A waterproof Bluetooth 5.0 speaker with 5000 mAh battery delivering up to 40 hours playback and IPX7 protection for outdoor use

  • Product nameHEYSONG REVERB
  • Connection optionsBluetooth, Auxiliary, TF Card
  • Speaker categoryBluetooth Speaker
  • Spec summaryOutdoor, Portable, Waterproof, Shower, Home, Bluetooth, Wire
  • Wireless typeBluetooth
  • Bluetooth standard5.0
  • IPX7 waterproofing handles rain, splashes and submersion
  • 40-hour playtime from the 5000 mAh battery
  • Bluetooth 5.0 gives stable wireless pairing
  • TF card slot and 3.5 mm aux add wired options
  • Beat-synced rainbow lights create party atmosphere

Built for outdoor audio

The HEYSONG REVERB BT138P is a portable Bluetooth speaker rated IPX7 for full waterproof protection against immersion. It targets users who need music at the pool, beach, kayak or shower without worrying about splashes, sand or dust. A 5000 mAh battery delivers up to 40 hours of playback per charge. Bluetooth 5.0 handles wireless streaming from phones, laptops and other devices.

Replacing basic shower radios

This speaker upgrades from single-driver bathroom units that lack bass boost, stereo pairing or memory-card playback. The jump is worth it when you want louder volume, enhanced low end and the ability to pair two units for wider sound. It also adds a 3.5 mm auxiliary input and TF card slot for wired or card-based sources. Not for buyers who need multi-room Wi-Fi integration or voice-assistant control.

Simple pairing and mounting

Power on, select the speaker in your device Bluetooth menu and audio streams immediately; the speaker remembers the last connection for faster reconnection. The included lanyard and mesh bag let you hang it from a backpack, bike handlebar or shower caddy. Common issues: auxiliary cable not fully seated causing mono playback, TF card formatted to an unsupported file system, or the charging adapter omitted from the box requiring a separate USB power source.

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 nameHEYSONG
Model nameBT138P
Product nameHEYSONG REVERB
Product colorYellow
Audio & video
Speaker categoryBluetooth Speaker
Connectivity
Connection optionsBluetooth, Auxiliary, TF Card
Wireless typeBluetooth
Bluetooth standard5.0
Power
Battery pack5,000 mAh
Compatibility
Compatible withPhone, Computer, MP3, Audiobooks, Projector, Bluetooth Devices and so on
In the box
In the box1*Bluetooth speaker
1 × 3.5 mm Audio Cable
1*Charging Cable (Adapter Not Included)
1*Mesh bag
1*User manual
More details
Playback time (up to)40 h

Questions about this item

How do I attach the speaker to a backpack or bicycle?

The unit includes a lanyard that loops through the built-in attachment point so you can hang it from a pack strap or bike frame.

What is the correct order to pair two BT138P speakers for stereo sound?

Power on both speakers, press the pairing button on one unit until it enters stereo-linking mode, then pair your phone to the primary speaker via Bluetooth 5.0.

How should I care for the IPX7 seal after salt-water exposure?

Rinse the speaker with fresh water, dry the silicone keys and port cover thoroughly, then close the cover firmly to maintain the waterproof rating.

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