1. Introduction
Thank you for choosing the COMISO X8-Black Cell Phone Stand with Wireless Bluetooth Speaker. This versatile device combines a stable, adjustable phone stand with a high-quality Bluetooth speaker, offering an enhanced audio and viewing experience for your smartphone or tablet. Designed for both home and outdoor use, it delivers punchy bass and HD stereo sound, making it ideal for music, movies, and hands-free calls.

Figure 1: COMISO X8-Black Cell Phone Stand with Wireless Bluetooth Speaker.
2. What's in the Box
- X8 Phone Stand with Speaker
- USB Type-C charging cable
- Instruction manual (this document)
3. Product Features
- Amazing Stereo Sound: Equipped with a full-range 5W driver, delivering enhanced bass, accurate mids, and clear highs for an immersive audio experience.
- Bluetooth 5.3 Connectivity: Features the latest Bluetooth 5.3 technology for lower power consumption, faster transmission, and a more stable signal without delay. Compatible with a wide range of Bluetooth devices.
- Integrated Microphone: Allows for convenient hands-free calling.
- Foldable & Portable Phone Stand: The universal adjustable stand can be tilted to various angles, including vertical, providing a comfortable viewing experience and reducing neck strain.
- Stable and Wide Compatibility: Designed with a weighted base for stability, supporting all 4"-12" smartphones and tablets. Includes a non-slip rubber pad to secure your device.
- True Wireless & HD Surround Sound: Offers 360-degree surround sound to fill your room with rich audio.
4. Controls and Indicators

Figure 2: Overview of control buttons and their functions.
| Button | Action | Function |
|---|---|---|
| ▶ (Play/Pause) | Long press | Power on/off |
| Short press | Play/pause (during playing) | |
| Double click | Answer/hang off the call; reject the call or disconnect the product | |
| + (Plus) | Short press | Volume up |
| Long press | Next track | |
| - (Minus) | Short press | Volume down |
| Long press | Last track | |
| + and - | Press together for 5 seconds | To clear connection records |
5. Setup
5.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB Type-C charging cable to the charging port on the speaker and the other end to a compatible USB power source (e.g., computer USB port, wall adapter). The charging indicator light will provide feedback (refer to product for specific light behavior). A full charge takes approximately 3 hours and provides up to 15 hours of battery life.
5.2 Bluetooth Pairing
- Ensure the speaker is powered off.
- Long press the Play/Pause button (▶) to turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing LED light (refer to product for specific light color/pattern).
- On your smartphone, tablet, or other Bluetooth-enabled device, navigate to the Bluetooth settings.
- Search for available devices. The speaker will appear as "X8" or "COMISO X8".
- Select "X8" or "COMISO X8" to connect. Once successfully paired, the speaker will emit an audible confirmation, and the LED indicator will change (e.g., solid blue).
- If pairing fails, turn off the speaker, clear any previous "X8" or "COMISO X8" entries from your device's Bluetooth list, and repeat the steps.
To clear all previous connection records from the speaker, press and hold both the '+' and '-' buttons simultaneously for 5 seconds while the speaker is on.
6. Operating Instructions
6.1 Using the Phone Stand
The integrated phone stand is adjustable to provide optimal viewing angles for your device. Simply unfold the stand and place your smartphone or tablet (4"-12" compatible) into the cradle. The anti-slip silicone pads ensure your device remains secure.

Figure 3: The adjustable phone stand allows for various viewing angles.

Figure 4: Example of using the stand while cooking.

Figure 5: The stand provides a comfortable hands-free experience for entertainment.
6.2 Audio Playback
Once paired, audio from your connected device will automatically play through the COMISO speaker. Use the speaker's control buttons (as described in Section 4) or your device's volume controls to adjust playback.
6.3 Hands-Free Calling
When a call comes in, the speaker will ring. Short press the Play/Pause button (▶) to answer the call. Short press again to hang up. Double-click the Play/Pause button (▶) to reject an incoming call.
7. Compatibility
The COMISO X8-Black speaker and stand are widely compatible with most Bluetooth-enabled devices and mobile devices ranging from 4 to 12 inches. This includes, but is not limited to:
- Smartphones (e.g., iPhone, Samsung, Google Pixel)
- Tablets (e.g., iPad, iPad Mini, iPad Air, Samsung Galaxy Tab)
- E-readers (e.g., Kindle)
- Laptops and PCs with Bluetooth reception
- Nintendo Switch

Figure 6: The stand supports a wide range of smartphones and tablets.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | X8-Black |
| Brand | comiso |
| Connectivity Technology | Bluetooth 5.3, Wireless |
| Speaker Maximum Output Power | 6 Watts |
| Audio Output Mode | Stereo, Surround |
| Battery Life | 15 Hours |
| Battery Capacity | 1200 Milliamp Hours |
| Charging Time | 3 Hours |
| Maximum Bluetooth Range | 10 Meters |
| Product Dimensions | 3.4"D x 4.4"W x 2.2"H |
| Item Weight | 7.1 ounces (200 Grams) |
| Material | Rubber |
| Impedance | 4 Ohm |
| Signal-to-Noise Ratio | 75 dB |
| Input Voltage | 5 Volts (DC) |
9. Maintenance
To ensure the longevity and optimal performance of your COMISO X8-Black speaker and stand, please follow these maintenance guidelines:
- Cleaning: Use a soft, dry, lint-free cloth to clean the surface of the device. Do not use abrasive cleaners, alcohol, or chemical solvents, as these may damage the finish.
- Storage: When not in use, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the device or subjecting it to strong impacts. While the stand is sturdy, excessive force can cause damage.
- Water Exposure: This product is not waterproof. Avoid exposing it to water, rain, or excessive humidity to prevent internal damage.
10. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Low battery. | Charge the speaker fully using the provided USB Type-C cable. |
| Cannot pair with Bluetooth device. | Speaker is not in pairing mode; device's Bluetooth is off; too far from device; previous connection issues. |
|
| No sound or low volume. | Volume too low on speaker or device; device not connected; audio source issue. |
|
| Sound distortion. | Volume too high; interference; low battery. |
|
11. Warranty and Support
The COMISO X8-Black Cell Phone Stand with Wireless Bluetooth Speaker comes with a limited warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact COMISO customer service through the retailer where you purchased the product or visit the official COMISO website for contact information.
For more information, you may visit the COMISO Store on Amazon.