Portable Bluetooth Speaker

The ultimate wireless speaker with intensified bass and superior quality



Design:360-Degree Sound

Bluetooth Button:open bluetooth in your device, choose “UBOOM®”to connect.

Sound Mode Button:Indoor/Outdoor Sound Mode

Hang Loop

AUX Connection:Connect to your device via 3.5mm AUX cable

USB-C Connectivity:you can check the speaker battery level on the phone that is paired with.



Bluetooth Button:open bluetooth in your device, choose “UBOOM®”to connect

Sound Mode Button: Indoor/Outdoor Sound Mode

Hang Loop

AUX Connection:Connect to your device via 3.5mm AUX cable

USB-C Connectivity: you can check the speaker battery level on the phone that is paired with.


Full-Day Battery Life

UBOOM® is matched by massive 16-hour battery life. Using the latest cell technology powering high-performance Bluetooth speakers, it will last almost a full day on a single charge.


Spatial 360°Audio

In EarFun UBOOM®, we’ve perfected the iconic cylindrical design we pioneered to deliver immersive, stereophonic audio that radiates evenly in all directions.


Get Your Music Wet

UBOOM® is designed to starts a party at the beach, pool, waterfall, wherever. Featuring IPX7 waterproof rating, it can be totally submerged in up to 1 meter of water for up to 30-minutes.

Small On Size,

Big On Fun

The compact EarFun UBOOM® fits easily in your bag. You can even pop it in the bottle-holder of your bike, so the party goes wherever you go.

Easy To Stream,

Easy To Control

With EarFun UBOOM®'s Bluetooth 5.0 or AUX wire connection, you can enjoy seamless streaming of music, podcasts, and more.



EarFun UBOOM® is charged via the latest USB technology, Type-C, for easy charging and greater compatibility.

Premium Acoustics

In EarFun UBOOM®, we install two full-range 45mm drivers and paired with dual passive radiators. Also, with advanced DSP Algorithm to fill every direction with premium 360-degree sound.



Pair Speakers, Get Stereo

Pair two UBOOM®s together for the ultimate surround experience. Take your party to the next level.



UBOOM®’s indoor and outdoor sound mode is perfect for indoor and outdoor entertaining whether you are on long bike rides, on exercise, or on picnics.


Bluetooth Version : V5.0
Bluetooth Profile : A2DP , AVRCP , HFP , HSP
Transducer : 2 x 45mm
Output Power : 2 x 12W
Signal-to-nosie Ratio : >=80dB
Battery : 7.4V, 2200mAh
Input Power : 5V/2A
Play Time : Up to 16 hours (varies by volume level and audio content )
Charging Time : About 4 hours
Dimensions : 166.5x88x88(mm) / 6.5x3.5x3.5(inch)
Weight : 585g / 20.63oz

What’s in the Box?


Step1: Power on your device
Step2: Once power on,the speaker should automatically begin flashing blue.
Step3: Go to the Bluetooth Manager of your smartphone
Step4: Turn Bluetooth on, then select EarFun speaker

Step1: Power on 2 speakers
Step2: Press the Bluetooth button of 2 speakers at the same time for at least 5s. Until you hear a reminder sound, which indicates a successful pairing between them. (the master speaker will come with a blue blink light again, and another is slavery speaker)
Step3: Press the Bluetooth button of the master speaker one more time, then connect it with your device.
After the above steps, these two speakers will be pairing successfully.

Option A: Unpair the speakers from your Bluetooth-enabled device and delete the old connection on your device.
Option B: You can press and hold “Volume +” and “Volume –” buttons simultaneously for 5s at least until the power-on button flashes in light pink or purple and the indicating sound comes up.

You may need to change the default audio output on your PC to "Bluetooth speaker".
Step 1. Close all media applications in your PC (such as Windows Media Player)
Step 2. Open 'Control Panel' > 'Sounds and Audio Devices' > 'Audio'
Step 3. Change the default output device to "Bluetooth speaker" in Sound playback

Yes it is possible but only after disabling the original device's Bluetooth or deleting its pairing record before pairing the new device.

No pin should be required. Restart your computer and try to re-pair.

It will take around 4 hrs at 5V/2A for a full charge.

Playtime varies according to volume level and audio content, at 50% volume, playtime is around 16 hours.

Double check your cable and charger with another device. If the speaker has remained discharged a long time it may take a while to show it is recharging.

It will automatically turn off after 30 minutes when no connection. But it won’t turn off when being charged or connected.

If the battery is empty, the device will shut down to storage mode. In storage mode, the LEDs are not active. Charge the device for a while and then turn it on to see the LED light.