Introduction
This manual provides detailed instructions for the safe and efficient operation of your COMISO C26 Portable Bluetooth Speaker. Please read this manual thoroughly before using the product and retain it for future reference.
Product Features
- Dual drivers and passive radiators for full-spectrum audio.
- Portable and lightweight design (approximately 0.88 pounds).
- Rechargeable battery with up to 15 hours of playtime at mid-level volume.
- Splashproof design (IPX4 rated, do not submerge).
- Bluetooth connectivity with a range of approximately 100 feet (30.48 meters).
- Supports AUX input, TF card playback, and FM radio.
- Built-in microphone for clear hands-free calls.
- Integrated LED flashlight.
What's in the Box
- COMISO C26 Portable Bluetooth Speaker
- Built-in Carabiner
- 3.5mm Jack Audio Cable
- USB Charging Cable (standard Micro USB, not explicitly listed but implied for charging)
- User Manual (this document)
Product Overview
Familiarize yourself with the speaker's components and controls.

Image: Overview of the COMISO C26 speaker with labels for controls and ports.
- Power Button: Press and hold to power On/Off.
- Play/Pause Button: Press to Play/Pause music, Answer/End calls.
- Next Track / Volume Up Button: Short press for next track, long press for volume up.
- Previous Track / Volume Down Button: Short press for previous track, long press for volume down.
- Mute Button: Mute audio.
- Charging Port: Micro USB port for charging.
- 3.5mm Auxiliary Input: For wired audio connection.
- TF Card Slot: For playing music from a MicroSD card.
- Flashlight: Integrated LED light.
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB charging cable to the speaker's charging port and a compatible USB power source (e.g., computer, wall adapter). The charging indicator light will show the charging status.
2. Powering On/Off
Press and hold the Power button for a few seconds to turn the speaker on or off. A voice prompt will indicate the power status.
3. Bluetooth Pairing
- Ensure the speaker is powered on. It will automatically enter Bluetooth pairing mode, indicated by a flashing blue light and a voice prompt.
- On your device (smartphone, tablet, PC), enable Bluetooth and search for available devices.
- Select "COMISO C26" from the list of devices.
- Once paired, a voice prompt will confirm the connection, and the blue light will stop flashing or become solid.

Image: Demonstrating Bluetooth pairing with a smartphone.
Operating Instructions
1. Music Playback
- Play/Pause: Press the Play/Pause button.
- Next Track: Short press the Next Track / Volume Up button.
- Previous Track: Short press the Previous Track / Volume Down button.
- Volume Up: Long press the Next Track / Volume Up button.
- Volume Down: Long press the Previous Track / Volume Down button.
2. Hands-Free Calling
- Answer/End Call: Press the Play/Pause button.
- Reject Call: Press and hold the Play/Pause button.
3. AUX Input Mode
Connect an audio device to the speaker's 3.5mm auxiliary input port using the provided audio cable. The speaker will automatically switch to AUX mode.
4. TF Card Playback
Insert a MicroSD (TF) card with compatible music files into the TF card slot. The speaker will automatically detect and play music from the card.
5. FM Radio Mode
To activate FM radio, cycle through modes (if a mode button is present, otherwise it might be integrated with another button or automatic). The speaker will scan and play FM stations. Use the Next/Previous buttons to change stations.
6. Flashlight Function
The speaker includes an integrated LED flashlight. Refer to the product overview image for its location. The activation method is typically a dedicated button or a long press of a multi-function button (not explicitly detailed in provided data).

Image: The integrated LED flashlight on the COMISO C26 speaker.
Maintenance
The COMISO C26 speaker is splashproof (IPX4 rated), meaning it can withstand rain or spills. You can clean it with running tap water. Do not submerge the speaker in water.
- Wipe the speaker with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive cleaners.
- Keep the charging port and other openings free from dust and debris.
- Store the speaker in a cool, dry place when not in use for extended periods.

Image: The splashproof design of the COMISO C26 speaker.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery; Power button not pressed correctly. | Charge the speaker fully; Press and hold the Power button for a few seconds. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; Device Bluetooth off; Speaker too far from device; Previous pairing interference. | Ensure speaker is in pairing mode (flashing blue light); Enable Bluetooth on your device; Move speaker closer (within 100 feet); Forget previous pairings on your device and try again. |
| No sound or low volume. | Volume too low on speaker or device; Incorrect input mode; Audio cable not fully inserted. | Increase volume on both speaker and device; Ensure correct mode (Bluetooth, AUX, TF); Re-insert audio cable firmly. |
| Sound distortion. | Volume too high; Low battery; Poor audio source quality. | Reduce volume; Charge the speaker; Use a higher quality audio source. |
| FM Radio not working. | Poor signal; Not in FM mode. | Move to an area with better signal; Ensure speaker is in FM mode. |
| Flashlight not working. | Low battery; Not activated correctly. | Charge the speaker; Refer to product overview for activation method. |
| Speaker turns off unexpectedly. | Low battery; Automatic power-off feature (if idle for a period). | Charge the speaker; Re-power on and ensure active connection. |
| Buttons not responding. | Temporary software glitch. | Power off and then power on the speaker to reset. |
| Skip/Replay buttons control volume instead of track. | Incorrect press duration. | Short press for track control, long press for volume control. |
| Blue light flashes constantly. | Speaker is in pairing mode or not connected. | Pair the speaker with a device. Once connected, the light should become solid or turn off. |
| Speaker is not waterproof. | Misunderstanding of "splashproof" vs. "waterproof". | The speaker is splashproof (IPX4), meaning it resists splashes and light rain, but cannot be submerged. |
| Battery life is shorter than expected. | High volume usage; Age of battery. | Lower volume for extended playtime; Battery capacity naturally decreases over time. |
| Speaker is not charging. | Faulty cable or power source; Charging port obstruction. | Try a different USB cable and power source; Check charging port for debris. |
| Speaker is not detected by my laptop without Bluetooth. | Laptop lacks Bluetooth; Incorrect connection method. | Use the provided 3.5mm AUX cable to connect to your laptop's headphone jack. |
| Speaker is not playing music from TF card. | Incorrect file format; Corrupted card; Card not inserted correctly. | Ensure music files are in a compatible format (e.g., MP3); Try a different TF card; Re-insert the TF card firmly. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | C26 |
| Connectivity Technology | Bluetooth, Auxiliary |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Range | Approximately 100 feet (30.48 meters) |
| Speaker Type | Multimedia |
| Audio Output Mode | Stereo |
| Speaker Maximum Output Power | 16 Watts |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 40 Millimeters |
| Woofer Diameter | 40 Millimeters |
| Frequency Response | 20 KHz (upper limit) |
| Signal-to-Noise Ratio | 80 dB |
| Impedance | 4 Ohms |
| Power Source | Battery Powered |
| Battery Type | 1 Lithium Ion battery (included) |
| Playtime | Up to 15 hours (at mid-level volume) |
| Special Features | Auxiliary playback support, Built-in Microphone, FM Radio, Support TF Card, LED Flashlight |
| Water Resistance Level | Splashproof (IPX4) |
| Control Method | Touch (buttons) |
| Material | Iron Mesh, Silicone |
| Product Dimensions | 8.1 x 3.1 x 3 inches |
| Item Weight | 0.88 Pounds (14.1 ounces) |
| Color | Pink |
| UPC | 742920065355 |
Warranty and Support
The COMISO C26 Portable Bluetooth Speaker comes with a One-Year no hassle warranty. This warranty is backed by U.S. based customer service providing fast and friendly product support and assistance.
For warranty claims, technical support, or any inquiries, please refer to the contact information provided with your purchase or visit the official COMISO website.
Important Safety Information
- Do not expose the speaker to extreme temperatures, direct sunlight, or high humidity for prolonged periods.
- Do not attempt to disassemble, repair, or modify the speaker. This will void the warranty and may cause damage or injury.
- Keep the speaker away from strong magnetic fields.
- Use only approved charging cables and adapters.
- Dispose of the battery according to local regulations. Do not dispose of in fire.
- Avoid listening at high volumes for extended periods to prevent hearing damage.
- Keep out of reach of children.
Product Video
Video: An official product video demonstrating the features and usage of the COMISO C26 Bluetooth Speaker.







