1. Product Overview
The RadioShack Wireless Speaker is designed to deliver high-quality audio with versatile connectivity and dynamic lighting. Its durable, waterproof design makes it suitable for various environments, from indoor use to outdoor adventures.
Key Features:
- Superior Sound Quality: Enjoy 10W output power with high-fidelity 66mm speakers for crisp and clear audio.
- Versatile Playback Modes: Supports U disk, TF card, AUX, MP3, FM radio, Bluetooth 5.1, and TWS connection for seamless connectivity.
- RGB 360° Light: Enhance your experience with dynamic RGB lighting that creates a vibrant ambiance.
- Long-Lasting Battery: Built-in 3600mAh lithium battery provides 4-6 hours of playtime, keeping the music going.
- Durable & Portable: Compact design (110x110x203mm) with IPX5 waterproof rating makes it perfect for both indoor and outdoor use.
2. Package Contents
Ensure all items are present in the box before initial use:
- 1x RadioShack Portable Wireless Speaker
- 1x User Manual (this document)
- 1x Type-C Charging Cable
- 1x 3.5mm Audio Cable

Image: All items included in the product package.
3. Product Design and Features
3.1 Durable & Portable Design
The speaker features a robust, clear polycarbonate exterior and a convenient strap, making it easy to carry. Its IPX5 waterproof rating ensures protection against water jets, ideal for poolside or outdoor use.

Image: The speaker's portable and splashproof design, shown near a pool.
3.2 Dynamic RGB Lighting
Experience an immersive audio-visual display with the speaker's 360° dynamic RGB LED lights. These lights wrap around the speaker, creating a vibrant ambiance that can be adjusted to suit your mood or music.

Image: The speaker showcasing its colorful 360-degree LED lighting.
3.3 Control Panel and Connectivity
The speaker features an intuitive control panel for easy operation. It supports multiple input options including Bluetooth, U disk, TF card, and AUX, providing versatile ways to enjoy your audio.

Image: Detail of the speaker's control buttons and various input ports (AUX, TF, USB, Type-C).
3.4 True Wireless Stereo (TWS) Pairing
For an enhanced audio experience, you can pair two RadioShack Wireless Speakers together using the TWS function. This creates a richer, stereo soundstage without the need for additional cables.

Image: Two speakers demonstrating the TWS pairing capability for stereo sound.
4. Setup
4.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the provided Type-C charging cable to the speaker's charging port and the other end to a USB power adapter (not included). The charging indicator light will show charging status.
4.2 Powering On/Off
Press and hold the Power button (⏻) on the control panel for 3 seconds to turn the speaker ON or OFF. A voice prompt will indicate the power status.
4.3 Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing blue LED).
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "RadioShack Speaker" from the list.
- Once connected, the speaker will provide an audible confirmation, and the blue LED will stop flashing.
5. Operating Instructions
5.1 Playing Music
- Bluetooth: After successful pairing, play music from your connected device.
- U Disk/TF Card: Insert a USB flash drive or TF card into the respective port. The speaker will automatically switch to U Disk/TF card mode and begin playback.
- AUX: Connect your audio device using the 3.5mm audio cable to the AUX port. The speaker will switch to AUX mode.
- FM Radio: Press the Mode button to switch to FM radio mode. Use the Previous/Next track buttons to scan for stations.
5.2 Adjusting Volume
Use the Volume Up (+) and Volume Down (-) buttons on the speaker to adjust the playback volume.
5.3 Controlling RGB Lights
Press the Light button (※) on the control panel to cycle through different RGB lighting modes or to turn the lights off.
6. Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, fully charge the speaker at least once every three months if not in regular use.
- Water Resistance: While IPX5 waterproof, avoid submerging the speaker in water or exposing it to high-pressure water jets. Ensure the port cover is securely closed when near water.
7. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker does not power on. | Ensure the battery is charged. Connect the charging cable and try again. |
| No sound from the speaker. | Check the volume level on both the speaker and your connected device. Ensure the speaker is correctly paired via Bluetooth or the AUX/USB/TF card is properly connected. |
| Bluetooth pairing fails. | Ensure the speaker is in pairing mode (flashing blue LED). Turn off Bluetooth on your device and turn it back on. Move the speaker closer to your device. Clear previous Bluetooth connections on your device. |
| RGB lights are not working. | Press the Light button (※) to activate or change light modes. |
| Poor FM radio reception. | Move the speaker to an open area. The 3.5mm audio cable can act as an antenna; ensure it is plugged in for better reception. |
8. Technical Specifications
| Specification | Value |
|---|---|
| Model Name | RadioShack Wireless Speaker, 10W, RGB 360° Light, Bluetooth 5.1, Waterproof IPX5 |
| Model Number | 4001924 |
| Speaker Type | Portable Speaker |
| Speaker Maximum Output Power | 10 Watts |
| Audio Driver Size | 66 Millimeters |
| Wireless Communication Technology | Bluetooth 5.1 |
| Connectivity Protocol | Bluetooth, AUX, U Disk, TF Card, FM Radio, TWS |
| Battery Life | 4-6 Hours (Playtime) |
| Battery Capacity | 3600 mAh |
| Waterproof Rating | IPX5 |
| Product Dimensions | 4.75"D x 4.7"W x 8.68"H (110x110x203mm) |
| Item Weight | 2.25 pounds |
| Manufacturer | RadioShack |

Image: Product dimensions for reference.
9. Warranty and Support
For warranty information and customer support, please refer to the warranty card included with your purchase or visit the official RadioShack website. Keep your proof of purchase for any warranty claims.





