1. Introduction
Thank you for choosing the Fisher Portable Bluetooth Speaker FBT310. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it thoroughly before use to ensure optimal performance and longevity of your device.
The FBT310 speaker features Bluetooth 5.3 connectivity, IPX5 water resistance, LED light modes, and True Wireless Stereo (TWS) pairing capability. It delivers 20W peak power output and offers up to 8 hours of playtime on a single charge.

Image 1.1: Fisher Portable Bluetooth Speaker FBT310. This image shows the speaker in green, with water splashing around its base, illustrating its IPX5 water resistance.

Image 1.2: Speaker in an outdoor setting. This image depicts the speaker being used outdoors next to a swimming pool, demonstrating its portability and suitability for various environments.
2. Safety Information
- Do not expose the speaker to extreme temperatures or direct sunlight for extended periods.
- Avoid dropping or subjecting the speaker to strong impacts.
- Keep the speaker away from sources of heat, such as radiators, stoves, or other heat-producing appliances.
- Do not attempt to disassemble, repair, or modify the speaker yourself. Contact qualified service personnel for assistance.
- Ensure the charging port cover is securely closed when near water to maintain IPX5 water resistance.
- Use only the provided charging cable or a certified USB-C cable for charging.
3. Package Contents
Verify that all items are present in the package:
- Fisher Portable Bluetooth Speaker FBT310
- USB-C Charging Cable
- Carrying Strap
- User Manual
4. Product Overview
Controls and Ports

Image 4.1: Speaker Controls. This image illustrates the location of the control buttons on the speaker's top surface, with a hand pressing the volume up button.
The speaker features intuitive controls for easy operation:
- Power Button: Press and hold to power on/off. Short press to play/pause.
- Volume Up (+): Short press to increase volume. Long press for next track.
- Volume Down (-): Short press to decrease volume. Long press for previous track.
- Mode Button (M): Short press to switch between Bluetooth, FM Radio, and other modes.
- LED Light Button: Short press to cycle through LED light modes. Long press to turn lights off/on.
- USB-C Charging Port: For charging the speaker.
5. Setup
5.1 Charging the Speaker
- Open the protective cover of the USB-C charging port.
- Connect the provided USB-C cable to the speaker's charging port.
- Connect the other end of the USB-C cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will illuminate during charging and turn off when fully charged. A full charge takes approximately 3 hours.
- Ensure the charging port cover is securely closed after charging to maintain water resistance.
5.2 Power On/Off
- To Power On: Press and hold the Power Button for approximately 3 seconds until you hear an audible prompt and the LED lights activate.
- To Power Off: Press and hold the Power Button for approximately 3 seconds until you hear an audible prompt and the LED lights turn off.
5.3 Bluetooth Pairing
To connect your speaker to a Bluetooth-enabled device:
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing LED). If not, short press the Mode Button until it enters Bluetooth mode.
- Enable Bluetooth on your device (smartphone, tablet, computer).
- Search for available Bluetooth devices.
- Select "FBT310" from the list of devices.
- Once paired, the speaker will emit an audible confirmation, and the LED will stop flashing.

Image 5.1: Bluetooth 5.3 Connectivity. This image shows the speaker connected to various devices, illustrating its broad compatibility via Bluetooth 5.3.
6. Operating Instructions
6.1 Basic Playback
- Play/Pause: Short press the Power 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.
6.2 True Wireless Stereo (TWS) Pairing
TWS allows you to connect two FBT310 speakers for a stereo sound experience.
- Ensure both FBT310 speakers are powered on and in Bluetooth mode, but not connected to any device.
- On one speaker (this will be the primary speaker), double-press the Power Button. The speaker will emit a pairing tone.
- The two speakers will automatically connect to each other. Once connected, you will hear a confirmation tone.
- Now, connect your device to the primary speaker via Bluetooth as described in section 5.3. Both speakers will play audio in stereo.

Image 6.1: True Wireless Stereo Pairing. This image demonstrates two speakers paired together for an immersive stereo audio experience, suitable for gaming or movies.
6.3 LED Light Modes
The speaker features dynamic LED lights. Short press the LED Light Button to cycle through different light modes. Long press the LED Light Button to turn the lights off or on.

Image 6.2: RGB Colorful Light Show. This image showcases the speaker's ability to produce various colorful LED light effects, enhancing the listening experience.
6.4 FM Radio
To use the FM Radio function:
- Short press the Mode Button to switch to FM Radio mode.
- The speaker will automatically scan and save available FM stations.
- Use the '+' and '-' buttons to navigate between saved stations.
6.5 Sound Quality
The FBT310 speaker is designed to deliver clear audio with deep bass, featuring a 2-way audio system for a balanced sound profile.

Image 6.3: Immersive 2-way Audio. This diagram illustrates the internal speaker components, including a 3-inch subwoofer, contributing to the speaker's sound quality and dynamic rhythm lights.

Image 6.4: Full-range Audio Components. This diagram provides another view of the speaker's internal structure, emphasizing its full-range audio capabilities.
7. Maintenance
7.1 Water Resistance (IPX5)
The FBT310 speaker is IPX5 water-resistant, meaning it can withstand splashes and light rain. It is not designed to be submerged in water. Always ensure the charging port cover is tightly sealed when the speaker is exposed to water.
7.2 Cleaning
To clean the speaker, use a soft, damp cloth. Do not use abrasive cleaners, alcohol, or chemical solvents, as these may damage the surface or internal components.
7.3 Battery Care
- Charge the speaker fully before first use.
- Avoid completely draining the battery frequently.
- If storing the speaker for an extended period, charge it to about 50% every few months to preserve battery health.
8. Troubleshooting
If you encounter issues with your speaker, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| Speaker does not power on. | Ensure the battery is charged. Connect the speaker to a power source using the USB-C cable. |
| No sound. | Check the volume level on both the speaker and your connected device. Ensure the speaker is properly paired via Bluetooth. |
| Bluetooth pairing fails. | Ensure the speaker is in pairing mode. Turn off and on Bluetooth on your device. Move the speaker closer to your device. Clear previous Bluetooth connections on your device. |
| TWS pairing fails. | Ensure both speakers are FBT310 models and are not connected to any other Bluetooth device before initiating TWS pairing. Try resetting both speakers. |
| Poor FM radio reception. | Move the speaker to a location with better signal. The USB-C cable can sometimes act as an antenna; try connecting it (without power) to improve reception. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | FBT310 |
| Speaker Type | Built-In |
| Special Features | USB Port, Waterproof (IPX5) |
| Recommended Uses | Indoor/Outdoor |
| Color | Green |
| Product Dimensions | 3.35"D x 3.35"W x 7.83"H |
| Power Source | Battery Powered |
| UPC | 721702328758 |
| Manufacturer | Migear Intl, LLC |
| Speaker Maximum Output Power | 20 Watts (Peak) |
| Frequency Response | 150 Hz - 18 kHz |
| Connectivity Technology | Bluetooth 5.3 |
| Battery Capacity | 800mAh |
| Playtime | Up to 8 hours |
| Charge Time | Approximately 3 hours |

Image 9.1: Product Dimensions. This diagram provides the exact measurements of the speaker, showing its compact and portable size.
10. Warranty and Support
Fisher products are designed and manufactured to the highest quality standards. For warranty information and customer support, please refer to the warranty card included in your package or visit the official Fisher website. Please retain your proof of purchase for warranty claims.