Introduction
Thank you for choosing the Altec Lansing IMW449 Jacket H2O 4 Bluetooth Speaker. This rugged, ultra-portable, and waterproof speaker is designed to deliver exceptional sound quality in any environment. With its durable construction and long-lasting battery, it's perfect for outdoor adventures, poolside relaxation, or everyday use. This manual provides essential information for setting up, operating, and maintaining your speaker.
Key Features
- Everythingproof Design: Certified IP67 rated, making it waterproof, shockproof, snowproof, and dustproof. Ideal for any environment.
- Extended Wireless Range: Enjoy music up to 100 feet away from your device thanks to advanced Bluetooth 4.2 technology.
- Long Battery Life: Provides up to 10 hours of continuous audio playback on a single charge.
- Voice Assistant Integration: Seamlessly use Siri or Google Assistant through the speakerphone.
- Versatile Connectivity: Connects easily with Bluetooth-enabled devices including iPhones, iPads, Samsung smartphones, laptops, and tablets.
- Portable and Durable: Designed for an adventurous lifestyle, suitable for home, outdoors, kitchen, or bathroom.
Setup Guide
1. Charging Your Speaker
Before first use, fully charge your Altec Lansing Jacket H2O 4 speaker. Locate the charging port on the side of the speaker, usually protected by a waterproof flap. Open the flap and connect the provided USB charging cable to the speaker and a compatible USB power source (e.g., wall adapter, computer USB port).

Figure 1: Charging and AUX ports (protected by flap)
The LED indicator will show charging status. Once fully charged, disconnect the cable and ensure the waterproof flap is securely closed to maintain water resistance.
2. Bluetooth Pairing
- Power On: Press and hold the Power button on the top of the speaker until you hear an audible tone and the LED indicator begins to flash, indicating it's in pairing mode.
- Activate Bluetooth on Your Device: Go to the Bluetooth settings on your smartphone, tablet, or laptop.
- Select Speaker: Look for "IMW449" or "Altec Lansing Jacket H2O 4" in the list of available devices and select it.
- Confirm Connection: Once paired, the speaker will emit a confirmation tone, and the LED indicator will turn solid, indicating a successful connection.

Figure 2: Top control panel with power button
Your speaker will automatically attempt to reconnect to the last paired device when powered on.
Operating Instructions
Basic Controls
| Button/Function | Action | Description |
|---|---|---|
| Power Button | Press and Hold | Power On/Off |
| Volume Up (+) | Short Press | Increase Volume |
| Volume Down (-) | Short Press | Decrease Volume |
| Play/Pause | Short Press | Play or Pause Audio |
| Voice Assistant | Short Press | Activate Siri or Google Assistant |
| Answer/End Call | Short Press Play/Pause | Manage Phone Calls |
Waterproof Usage
The Jacket H2O 4 is designed to be waterproof (IP67 rated). For optimal performance and to maintain its waterproof integrity, ensure that the rubber flap covering the charging and AUX ports is securely closed before exposing the speaker to water or dust. The speaker is also designed to float, making it ideal for use near pools or on water.

Figure 3: Speaker in a water environment
Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. For stubborn dirt, a mild soap solution can be used, followed by rinsing with clean water (ensure all ports are sealed).
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Port Protection: Always ensure the rubber flap covering the charging and AUX ports is fully sealed when not in use, especially when near water or dusty environments.
- Battery Care: To prolong battery life, avoid fully discharging the speaker frequently. Charge it regularly, even if not in constant use.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker won't turn on | Ensure the battery is charged. Connect to a power source and try again. |
| Cannot pair via Bluetooth | Make sure the speaker is in pairing mode (flashing LED). Turn off and on Bluetooth on your device. Forget the device in your Bluetooth settings and try pairing again. Ensure your device is within 100 feet of the speaker. |
| No sound or low volume | Increase volume on both the speaker and your connected device. Ensure the speaker is properly paired. Check if the AUX cable is securely connected if using wired connection. |
| Sound distortion | Reduce volume on both the speaker and your connected device. Move closer to the speaker to avoid interference. |
Technical Specifications
- Model Name: IMW448-WB Jacket H2O
- Speaker Type: Outdoor, Portable
- Connectivity: Bluetooth 4.2, Wi-Fi (Wireless Communication Technology)
- Wireless Range: Up to 100 feet (30 meters)
- Battery Life: Up to 10 hours
- Water Resistance: IP67 Rated (Waterproof, Shockproof, Snowproof, Dustproof)
- Power Source: Battery Powered (1 Lithium Ion battery required)
- Control Method: Voice (Siri, Google Assistant), App Control
- Audio Output Mode: Stereo
- Dimensions: 7.9 x 6.3 x 3.4 inches
- Weight: 1.33 pounds
- Manufacturer: Sakar International, Inc.
- UPC: 021331747846
Warranty and Support
The Altec Lansing IMW449 Jacket H2O 4 speaker comes with a Limited Warranty. For detailed warranty information, product registration, or technical support, please visit the official Altec Lansing website or contact their customer service. Keep your proof of purchase for warranty claims.
Manufacturer: Sakar International, Inc.
For further assistance, please refer to the contact information provided on the product packaging or the official Altec Lansing support page.





