1. Product Overview
This Turnwin Portable Magnetic Charging Cradle is designed to provide convenient and safe charging for your Ultimate Ears Boom 3, Megaboom 3, Blast, and Megablast Bluetooth speakers. It features a magnetic connection for easy placement and includes a detachable USB charging cable.
Key features include:
- Wide Compatibility: Specifically designed for Ultimate Ears Boom 3, Megaboom 3, Blast, and Megablast speakers.
- Convenient Design: Compact, lightweight, and features four anti-skid pads for stability.
- Superior Safety: Built-in smart chip with protection against over-current, over-voltage, over-temperature, and short-circuit.
- Durable Quality: Constructed from high-quality ABS + PC material and copper wire for stable current transmission.

Image 1.1: Top view of the charging cradle, showing the magnetic charging pins.

Image 1.2: Angled view of the charging cradle, highlighting the compact design and side ports.
2. Package Contents
- 1 x Magnetic Charging Dock
- 1 x USB Charging Cable

Image 2.1: The charging dock and its included USB cable.
3. Setup Instructions
- Connect the USB Cable: Insert the micro USB end of the provided charging cable into the micro USB port on the back of the charging cradle.
- Connect to Power: Plug the USB-A end of the cable into a compatible USB power adapter (not included) or a powered USB port on a computer.
- Placement: Place the charging cradle on a stable, flat surface. Ensure the four anti-skid pads on the bottom are making full contact with the surface.

Image 3.1: Micro USB input port for connecting the charging cable.

Image 3.2: USB-A output port for charging additional devices.
4. Operating Instructions
- Charging Your Speaker: Gently place your Ultimate Ears Boom 3, Megaboom 3, Blast, or Megablast speaker onto the charging cradle. The magnetic connection will align the speaker with the charging pins.
- Charging Indication: A blue LED light on the cradle will illuminate to indicate that the speaker is charging.
- Dual Charging: The cradle also features an additional USB-A port, allowing you to charge another compatible device, such as a smartphone, simultaneously with your speaker.

Image 4.1: An Ultimate Ears speaker correctly positioned on the charging cradle.
Video 4.1: Demonstration of the charging dock in use, showing how to place the speaker for charging.
Video 4.2: A seller video showcasing the Rosrrtlm Charging Dock for UE Boom 3, demonstrating its functionality and compatibility.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the charging cradle and its magnetic pins. Avoid using abrasive cleaners or solvents.
- Storage: When not in use, store the charging cradle in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Do not bend or crimp the USB charging cable excessively to prevent internal damage.
6. Troubleshooting
- Speaker Not Charging:
- Ensure the USB cable is securely connected to both the charging cradle and the power source.
- Verify that the power source (USB adapter or computer port) is active and providing power.
- Check that the speaker is correctly aligned on the magnetic pins of the cradle.
- Inspect the charging pins on both the cradle and the speaker for any debris or damage.
- LED Indicator Not Lighting Up:
- Confirm the cradle is receiving power.
- Ensure the speaker is properly seated on the cradle.
- If the issue persists, try a different USB cable or power adapter.
- Unstable Connection:
- Ensure the cradle is on a flat, stable surface.
- Clean the magnetic contacts on both the cradle and the speaker to ensure a strong connection.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Turnwin |
| Model Number | 1245614 |
| Compatible Devices | Ultimate Ears Boom 3, Megaboom 3, Blast, Megablast Speakers |
| Connector Type | USB (Micro USB input, USB Type A output) |
| Special Feature | Magnetic Charging |
| Color | Black |
| Material | ABS + PC Plastic |
| Output Current | 1 Amps |
| Output Voltage | 5 Volts |
| Parcel Dimensions | 9.3 x 9.2 x 3 cm |
| Weight | 70 g |
8. Warranty and Support
This product comes with a 12-month warranty from the date of purchase. This warranty covers manufacturing defects and issues arising from normal use.
For technical support, warranty claims, or any questions regarding your Turnwin Magnetic Charging Cradle, please contact our customer service. Refer to your purchase documentation for specific contact details or visit the official Turnwin store on Amazon.
We are committed to providing friendly 24-hour customer service to assist you with any concerns.