1. Introduction
This manual provides detailed instructions for the safe and efficient use of your comiso C15 Waterproof Speaker. Please read this manual thoroughly before operating the device and retain it for future reference.
The comiso C15 is a portable Bluetooth speaker designed for various environments, including wet conditions. It features robust sound, dynamic LED lighting, TWS pairing capability, and IPX7 waterproofing.
2. Package Contents
Verify that all items are present in your package:
- comiso C15 IPX7 Waterproof Bluetooth Speaker with LED light mode
- USB Type-C charging cable
- Flexible silicone lanyard
- Instruction manual (this document)
- Warranty and customer service card
3. Product Overview
Familiarize yourself with the speaker's components and controls.
Image: Front view of the comiso C15 speaker, highlighting its waterproof design and dynamic LED lights.
3.1 Controls and Indicators
- Power Button (O/M): Press and hold to power on/off. Short press to switch modes (if applicable).
- Volume Up (+): Increase volume.
- Volume Down (-): Decrease volume.
- Play/Pause Button: Play or pause audio. Answer/end calls.
- Light Button: Press to enable colored lights. Press again to cycle through light modes.
- Charging Port (USB Type-C): For charging the speaker.
- Microphone: For hands-free calls.
Image: Exploded view diagram illustrating the internal components and sound structure of the comiso C15 speaker.
4. Setup
4.1 Charging the Speaker
- Locate the USB Type-C charging port on the speaker.
- Connect the provided USB Type-C cable to the speaker and a compatible USB power adapter (not included).
- The charging indicator light will illuminate. A full charge takes approximately 3 hours.
- Once fully charged, the indicator light will change or turn off. Disconnect the charging cable.
Note: Ensure the charging port cover is securely closed after charging to maintain IPX7 waterproof rating.
4.2 Powering On/Off
- To Power On: Press and hold the Power (O/M) button for approximately 2-3 seconds until you hear an audible prompt and the LED lights activate.
- To Power Off: Press and hold the Power (O/M) button for approximately 2-3 seconds until you hear an audible prompt and the LED lights turn off.
4.3 Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (LED indicator will flash).
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "C15" from the list of devices.
- Once paired, you will hear a confirmation sound, and the LED indicator will stop flashing.
Note: The speaker uses Bluetooth 5.3 for stable connection and lower power consumption.
5. Operating Instructions
5.1 Music Playback
- Play/Pause: Short press the Play/Pause button.
- Volume Up: Short press the "+" button.
- Volume Down: Short press the "-" button.
- Next Track: Long press the "+" button.
- Previous Track: Long press the "-" button.
5.2 Call Functions
The built-in microphone allows for hands-free calling when connected to your smartphone.
- Answer Call: Short press the Play/Pause button.
- End Call: Short press the Play/Pause button during a call.
- Reject Call: Long press the Play/Pause button.
5.3 TWS (True Wireless Stereo) Pairing
Pair two C15 speakers together for a 360° stereo sound experience.
- Ensure both C15 speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), double-press the Power (O/M) button. You will hear an indication sound.
- The two speakers will automatically connect to each other. Once connected, you will hear a confirmation sound.
- Now, connect your device to the primary speaker via Bluetooth as described in section 4.3. The device will recognize both speakers as a single unit.
Image: Two comiso C15 speakers positioned for True Wireless Stereo (TWS) pairing, enhancing the audio experience from a laptop.
5.4 LED Light Modes
The speaker features multiple LED light modes to enhance your listening experience.
- Activate/Change Light Mode: Short press the "Light Button" to turn on the lights and cycle through available modes.
- Turn Off Lights: Continue pressing the "Light Button" until the lights turn off.
Image: The comiso C15 speaker displaying its dynamic LED light modes in a low-light setting, illustrating its visual appeal.
6. Maintenance
6.1 Cleaning
- Before cleaning, ensure the speaker is powered off and disconnected from any charging cables.
- Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners, alcohol, or chemical solvents.
- Ensure the charging port cover is clean and free of debris.
6.2 Storage
- Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, charge the battery to approximately 50% every few months to prolong battery life.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker for at least 30 minutes. |
| Cannot pair with Bluetooth device. | Speaker not in pairing mode; device Bluetooth off; too far from speaker. | Ensure speaker is in pairing mode. Turn device Bluetooth off and on. Move device closer to speaker (within 35 feet). |
| No sound or low volume. | Volume too low on speaker or device; speaker not properly paired. | Increase volume on both speaker and device. Re-pair the speaker. |
| TWS pairing fails. | Speakers already connected to another device; incorrect pairing procedure. | Ensure both speakers are disconnected from other devices. Follow TWS pairing steps carefully. |
| LED lights not working. | Lights turned off; speaker malfunction. | Press the "Light Button" to activate. If issue persists, contact customer support. |
8. Specifications
| Model Name | C15 |
| Brand | comiso |
| Connectivity Technology | Bluetooth 5.3 |
| Water Resistance Level | IPX7 (Waterproof) |
| Speaker Maximum Output Power | 8 Watts |
| Audio Output Mode | Stereo (with TWS) |
| Battery Capacity | 2000 mAh |
| Charging Time | Approximately 3 hours |
| Battery Life | Up to 18 hours (at medium volume) |
| Bluetooth Range | Up to 35 feet (10 meters) |
| Product Dimensions | 4.3"D x 4.3"W x 1.9"H |
| Item Weight | 8.1 ounces (230 grams) |
| Special Features | Built-in Microphone, Shockproof, Waterproof, Dynamic LED Lights, TWS Mode |
9. Warranty and Support
Your comiso C15 speaker comes with a 365-day warranty. For warranty claims, technical support, or any questions regarding your product, please contact comiso customer service.
Refer to the included "Warranty and friendly customer service card" for specific contact details or visit the official comiso website.
For additional information, you may also refer to the User Manual (PDF).
