1. Introduction
The Bose SoundLink Flex is a portable Bluetooth speaker designed to deliver deep, clear, and immersive audio. Engineered for durability, it features a rugged, waterproof, and dustproof design, making it suitable for various environments, both indoors and outdoors. Its compact size and robust construction ensure it can accompany you on any adventure.

Image 1: The Bose SoundLink Flex Bluetooth Speaker, showcasing its sleek design.
2. What's in the Box
- Bose SoundLink Flex Bluetooth Speaker
- USB-C Charging Cable
3. Controls and Indicators
The top panel of your SoundLink Flex speaker features several buttons and indicator lights for easy control and status monitoring.

Image 2: Top view of the speaker highlighting the control buttons.
- Power Button: Press to power the speaker on or off.
- Volume Down (-): Decreases the playback volume.
- Multi-function Button (•••): Controls playback (play/pause, skip tracks) and accesses voice assistants.
- Volume Up (+): Increases the playback volume.
- Bluetooth Button: Initiates Bluetooth pairing mode.
- Battery Indicator: Shows the current battery level.
- Bluetooth Indicator: Shows Bluetooth connection status.
4. Setup
4.1. Charging the Speaker
Before initial use, fully charge your SoundLink Flex speaker. Use the provided USB-C cable to connect the speaker to a USB wall charger (not included) or a computer. The battery indicator will show charging status.
- A full charge takes approximately 4 hours.
- The speaker provides up to 12 hours of battery life per charge.
4.2. Bluetooth Pairing
To connect your speaker to a Bluetooth-enabled device:
- Power on the speaker by pressing the Power Button.
- Press and hold the Bluetooth Button until the Bluetooth indicator blinks blue. The speaker is now in pairing mode.
- On your device, enable Bluetooth and select "Bose SoundLink Flex" from the list of available devices.
- Once connected, the Bluetooth indicator will glow solid white.
4.3. Bose Connect App
Download the Bose Connect app for additional features and control:
- Automatically updates the speaker with the latest software.
- Customizes settings and unlocks product features.
- Manages Bluetooth connections.
5. Operating the Speaker
5.1. Basic Playback
- Play/Pause: Press the Multi-function Button once.
- Skip Forward: Press the Multi-function Button twice quickly.
- Skip Backward: Press the Multi-function Button three times quickly.
- Volume Control: Use the Volume Up (+) or Volume Down (-) buttons.
5.2. Built-in Microphone
The SoundLink Flex features a built-in microphone, allowing you to make and receive calls directly through the speaker. Press the Multi-function Button once to answer or end a call.
5.3. PositionIQ Technology
Proprietary PositionIQ technology automatically detects the orientation of your speaker for optimal sound quality in any position or environment. This ensures consistent audio performance whether the speaker is lying flat, standing upright, or hanging.
5.4. Stereo Pairing
For a wider soundstage, you can pair two Bose SoundLink Flex speakers together to play in stereo mode. Refer to the Bose Connect app for detailed instructions on enabling Stereo Pairing.
6. Care and Maintenance
6.1. Waterproof and Dustproof Features
The SoundLink Flex is rigorously tested to meet IP67 standards, making it waterproof and dustproof. It is crafted and sealed with waterproof materials and is designed to float if dropped in water. This makes it ideal for outdoor adventures and use near water.

Image 3: The speaker positioned on a paddleboard, highlighting its waterproof design.
6.2. Cleaning
To clean the speaker, use a soft, damp cloth. Avoid using solvents or chemicals. Ensure the USB-C port is dry before charging.
6.3. Battery Care
For optimal battery longevity, avoid fully discharging the battery frequently. Store the speaker in a cool, dry place when not in use for extended periods.
7. Troubleshooting
- No Power: Ensure the speaker is charged. Connect it to a power source using the USB-C cable.
- Bluetooth Connectivity Issues: Make sure the speaker is in pairing mode (blinking blue light). Check your device's Bluetooth settings and ensure it's discoverable. Try restarting both the speaker and your device.
- No Sound: Check the volume levels on both the speaker and your connected device. Ensure the speaker is properly paired.
- Poor Sound Quality: Move the speaker closer to your device to reduce interference. Ensure there are no obstructions between the speaker and the device.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Bose SoundLink Flex Bluetooth speaker |
| Dimensions (D x W x H) | 2.06" x 7.93" x 3.56" |
| Item Weight | 540 Grams (1.19 pounds) |
| Water Resistance Level | IP67 (Waterproof & Dustproof) |
| Connectivity Technology | Bluetooth, USB-C |
| Bluetooth Range | 30 Feet (9 meters) |
| Battery Life | Up to 12 hours |
| Charging Time | 4 Hours |
| Power Source | Battery Powered (1 Lithium Ion battery required) |
| Built-in Microphone | Yes |
| Control Method | App, Voice |

Image 4: Detailed dimensions of the SoundLink Flex speaker.
9. Warranty and Support
9.1. Warranty Information
This product comes with a limited warranty. For specific terms and conditions, please refer to the warranty documentation included with your purchase or visit the official Bose website.
9.2. Customer Support
For further assistance, technical support, or product registration, please visit the official Bose support website or contact their customer service. The Bose Connect app also provides access to support resources and product information.
Online Support: www.bose.com/support





