1. Introduction
This manual provides essential instructions for the safe and efficient operation of your COMISO Portable Wireless Bluetooth Speaker U832. Please read this manual thoroughly before using the product and retain it for future reference.
2. Product Overview
The COMISO U832 is a compact and portable wireless Bluetooth speaker designed for high-definition audio playback and hands-free calling. It features a durable construction and versatile connectivity options.
Figure 2.1: Front view of the COMISO U832 Portable Wireless Bluetooth Speaker.
Figure 2.2: Overview of the COMISO U832 speaker, highlighting its compact dimensions (60.4mm x 90mm x 31.1mm) and key features such as CSR 4.0 Bluetooth, 5W driver, built-in microphone, 5-hour playing time, A2DP support, 33-feet range, IP67 waterproof rating, and dustproof design.
Figure 2.3: Exploded view illustrating the internal components of the COMISO U832 speaker, including the aluminum case, PCBA (Printed Circuit Board Assembly), diaphragm, 5W drivers, and plastic housing. Control buttons for Volume -/+, Hand-free call, and Power are also visible.
3. Features
- Portable Design: Compact and lightweight for easy transport.
- Wireless Bluetooth Connectivity: Seamless audio streaming from compatible devices.
- Built-in Microphone: Enables hands-free calling.
- AUX Line-in: For wired audio connections.
- HD Sound and Bass: Optimized audio performance.
- IP67 Waterproof and Dustproof: Provides protection against water immersion and dust ingress.
- 5W Speaker Output: Delivers clear and powerful sound.
- Long Battery Life: Up to 5 hours of playback on a single charge.
4. Setup
4.1 Charging the Speaker
Before initial use, fully charge the speaker. Connect the provided USB charging cable to the speaker's charging port and the other end to a USB power adapter (not included) or a computer's USB port. The charging indicator light will illuminate during charging and turn off when fully charged.
Figure 4.1: The COMISO U832 speaker connected for charging and AUX audio input.
4.2 Bluetooth Pairing
- Ensure the speaker is fully charged.
- Press and hold the Power button on the speaker until you hear an audible prompt and the Bluetooth indicator light begins to flash, indicating it is in pairing mode.
- On your mobile device, navigate to the Bluetooth settings and enable Bluetooth.
- Search for available devices. Select "COMISO U832" from the list.
- Once paired, the speaker will emit an audible confirmation, and the Bluetooth indicator light will stop flashing and remain solid.
The speaker will automatically attempt to reconnect to the last paired device when powered on, if the device is within range and has Bluetooth enabled.
4.3 AUX Connection
To connect a device without Bluetooth, use a 3.5mm audio cable (not included). Insert one end of the cable into the speaker's AUX input port and the other end into the audio output jack of your device. The speaker will automatically switch to AUX mode.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power button for approximately 3 seconds.
- Power Off: Press and hold the Power button for approximately 3 seconds.
5.2 Volume Control
- Increase Volume: Press the '+' button.
- Decrease Volume: Press the '-' button.
5.3 Playback Control (Bluetooth Mode)
- Play/Pause: Press the Play/Pause button (often integrated with the hands-free call button).
- Next Track: Press and hold the '+' button.
- Previous Track: Press and hold the '-' button.
5.4 Hands-free Calling
When connected via Bluetooth, the speaker's built-in microphone allows for hands-free calls.
- Answer Call: Press the Hands-free Call button once.
- End Call: Press the Hands-free Call button once during a call.
- Reject Call: Press and hold the Hands-free Call button for approximately 2 seconds.
6. Maintenance
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid exposing the speaker to extreme temperatures or direct sunlight for prolonged periods.
- Store the speaker in a cool, dry place when not in use.
- Ensure the charging port cover is securely closed to maintain IP67 water and dust resistance.
Figure 6.1: The COMISO U832 speaker demonstrating its 100% full waterproof capability, suitable for use in wet environments.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; device Bluetooth off; too far from speaker. | Ensure speaker is in pairing mode (flashing light). Turn on Bluetooth on your device. Move device closer to speaker (within 33 feet). |
| No sound. | Volume too low; incorrect input mode; device not playing audio. | Increase speaker and device volume. Check if speaker is in correct mode (Bluetooth/AUX). Ensure audio is playing on your device. |
| Poor sound quality or disconnections. | Interference; device too far; low battery. | Move speaker closer to device. Avoid obstacles. Charge speaker. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | COMISO |
| Model Number | U832 |
| Connectivity Technology | Bluetooth, Auxiliary |
| Speaker Maximum Output Power | 5 Watts |
| Power Source | Battery Powered |
| Control Method | Touch |
| Product Dimensions | 4.9 x 3.9 x 2.1 inches |
| Item Weight | 0.8 ounces (approx. 22.68 g) |
| Special Features | Built-in Microphone, Portable, IP67 Waterproof |
| UPC | 742920066987 |
9. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or visit the official COMISO website. Keep your proof of purchase for warranty claims.
10. Safety Information
- Do not disassemble, repair, or modify the speaker.
- Keep the speaker away from heat sources, direct sunlight, and sharp objects.
- Do not expose the speaker to fire or extreme temperatures.
- Use only the specified charging voltage and current.
- Keep out of reach of children.
