comiso Bluetooth Speaker M20S User Manual

1. Introduction

Thank you for choosing the comiso M20S Portable Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your device. Please read it carefully before use to ensure optimal performance and longevity of your speaker.

2. Package Contents

comiso M20S Portable Bluetooth Speaker
USB Charging Cable
AUX Audio Cable
User Manual

3. Product Overview

comiso M20S Portable Bluetooth Speaker in pink with wood top. — Front-top view of the comiso M20S Portable Bluetooth Speaker, showcasing its pink fabric grille and natural wood control panel.

3.1. Control Buttons

Bluetooth Button: Initiates Bluetooth pairing mode.
Volume Down / Previous Track Button: Press briefly for previous track, press and hold to decrease volume.
Play / Pause / Call Button: Press briefly to play/pause music or answer/end calls. Press and hold to reject calls or activate voice assistant (Siri/Google Now).
Volume Up / Next Track Button: Press briefly for next track, press and hold to increase volume.
Power Button: Press and hold to power on/off the speaker.

3.2. Ports and Indicators

Exploded view of the comiso M20S speaker components, showing drivers and internal structure. — An illustrative image showing the internal components of the comiso M20S speaker, including the dual precision stereo drivers and bass radiator, highlighting its sound quality features.

AUX-in Port: For wired audio connection using the provided 3.5mm AUX cable.
DC 5V Charging Port: Connect the USB charging cable here to charge the speaker.
TF Card Slot: Insert a TF (MicroSD) card for direct music playback.
LED Indicator: Displays charging status and Bluetooth connection status.

4. Setup

4.1. Charging the Speaker

Before first use, fully charge the speaker. A full charge typically takes approximately 5 hours.

Connect the USB charging cable to the DC 5V port on the speaker.
Connect the other end of the USB cable to a USB power adapter (not included) or a computer's USB port.
The LED indicator will illuminate during charging and turn off once fully charged.

Graphic showing the comiso M20S speaker with a charging cable connected and a battery level indicator. — The comiso M20S speaker connected to a charger, illustrating the charging process and its long-lasting battery life.

4.2. Power On/Off

To Power On: Press and hold the Power Button (U) for 2-3 seconds until you hear an audible prompt and the LED indicator flashes.
To Power Off: Press and hold the Power Button (U) for 2-3 seconds until you hear an audible prompt and the LED indicator turns off.

5. Operating Instructions

5.1. Bluetooth Pairing

The speaker will automatically enter Bluetooth pairing mode when powered on for the first time or if no device is connected.

Ensure the speaker is powered on and the LED indicator is flashing blue, indicating it's in pairing mode.
On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
Select "comiso M20S" from the list of devices.
Once connected, the LED indicator will turn solid blue, and you will hear a confirmation tone.
The speaker will automatically reconnect to the last paired device when powered on, if within range.

Graphic showing comiso M20S speaker connected via Bluetooth 5.0 with a 100ft range. — A diagram illustrating the Bluetooth 5.0 connectivity of the comiso M20S speaker, highlighting its 100-foot wireless range for seamless connection to devices.

5.2. Basic Music Playback

Play/Pause: Press the Play/Pause/Call button briefly.
Volume Up: Press and hold the Volume Up / Next Track button.
Volume Down: Press and hold the Volume Down / Previous Track button.
Next Track: Press the Volume Up / Next Track button briefly.
Previous Track: Press the Volume Down / Previous Track button briefly.

5.3. AUX-in Mode

Use the AUX-in port for a wired connection to devices without Bluetooth capability.

Connect one end of the 3.5mm AUX audio cable to the AUX-in port on the speaker.
Connect the other end of the AUX cable to the audio output jack of your device.
The speaker will automatically switch to AUX-in mode.
Control playback and volume directly from your connected device.

5.4. TF Card Playback

Insert a TF (MicroSD) card with MP3 audio files for direct playback.

Insert a TF card into the TF card slot on the speaker.
The speaker will automatically detect the card and begin playing music.
Use the Play/Pause, Volume Up/Next Track, and Volume Down/Previous Track buttons to control playback.

6. True Wireless Stereo (TWS) Pairing

Pair two comiso M20S speakers together for a true wireless stereo sound experience (40W total output).

Two comiso M20S speakers wirelessly paired in a living room setting. — An illustration demonstrating the True Wireless Stereo (TWS) pairing feature, showing two comiso M20S speakers connected wirelessly for an immersive stereo sound experience in a living room.

Ensure both speakers are powered off.
Power on both speakers. They will automatically enter Bluetooth pairing mode.
On one of the speakers (this will be your primary speaker), press the Bluetooth button twice. The speaker will search for the other speaker.
Once successfully paired, you will hear a confirmation tone, and the LED indicators on both speakers will turn solid blue.
Now, connect your device to the primary speaker via Bluetooth as described in section 5.1.
Audio will now play in sync through both speakers, providing a stereo soundstage.

7. Hands-Free Calling

When connected to your smartphone via Bluetooth, the speaker can be used for hands-free calls.

Answer/End Call: Press the Play/Pause/Call button briefly.
Reject Call: Press and hold the Play/Pause/Call button for 2 seconds.
Activate Voice Assistant (Siri/Google Now): Press and hold the Play/Pause/Call button for 2 seconds when not on a call.

8. Maintenance

Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
Avoid exposing the speaker to extreme temperatures, direct sunlight, or high humidity.
Do not immerse the speaker in water. While durable, it is not waterproof.
Store the speaker in a cool, dry place when not in use for extended periods.

9. Troubleshooting

Problem	Possible Cause	Solution
Speaker does not power on	Low battery	Charge the speaker fully.
Cannot pair with Bluetooth device	Speaker not in pairing mode / Device Bluetooth off / Too far from speaker	Ensure speaker is flashing blue. Turn on device Bluetooth. Move device closer to speaker (within 100ft). Forget previous connections on device.
No sound	Volume too low / Incorrect input mode / Device not playing audio	Increase speaker and device volume. Ensure correct mode (Bluetooth, AUX, TF card). Check if audio is playing on the connected device.
Sound distortion	Volume too high / Weak Bluetooth signal	Decrease volume. Move device closer to speaker.
TWS pairing fails	Incorrect pairing steps / Speakers too far apart	Ensure both speakers are powered off before starting TWS pairing. Follow TWS pairing steps carefully. Keep speakers close during pairing.

10. Specifications

Feature	Detail
Model Name	M20S
Brand	comiso
Connectivity Technology	Bluetooth, USB
Wireless Communication Technology	Bluetooth 5.0
Speaker Type	Surround Sound
Audio Output Mode	Stereo
Speaker Maximum Output Power	20 Watts (40W total with TWS pairing)
Bluetooth Range	100 Feet / 100 Meters
Power Source	Battery Powered
Battery Life	Up to 24 hours
Control Method	Touch
Material	Wood
Color	Pink
Item Weight	1.6 Pounds
Product Dimensions	7 x 2.7 x 3 inches
Indoor/Outdoor Usage	Indoor, Outdoor
Special Feature	Display, Multi Room Audio, Portable

11. Warranty and Support

The comiso M20S Portable Bluetooth Speaker comes with a limited warranty. For detailed warranty information, product support, or technical assistance, please refer to the warranty card included in your package or visit the official comiso website.

Online Support: Visit the comiso official website for FAQs and support resources.
Email Support: Contact customer service via email for assistance.

comiso M20S