EBTOOLS EBTOOLSc1qr7ainbd
EBTOOLS Single Cordless Earbud User Manual
Model: EBTOOLSc1qr7ainbd
1. Introduction
Thank you for choosing the EBTOOLS Single Cordless Earbud. This manual is designed to help you understand the features, setup, and operation of your new device, ensuring a safe and optimal user experience. Please read this manual thoroughly before using the product and retain it for future reference.
2. Product Overview
2.1 Components
The EBTOOLS Single Cordless Earbud package includes the following items:
- 1 x Single Cordless Earbud
- 1 x Car Charger (with integrated earbud charging slot and dual USB output ports)

Image: The EBTOOLS Single Cordless Earbud alongside its car charger, showing both main components.

Image: Close-up view of the single cordless earbud.

Image: The car charger unit, highlighting its dual USB output ports.
3. Specifications
| Feature | Description |
|---|---|
| Item Type | Cordless Earbuds |
| Headset Battery Type | Lithium battery |
| Headphone Battery Capacity | 35mAh (built-in) |
| Function Selection | Single ear |
| Bluetooth Version | V5.0 |
| Color | Black |
| Material | ABS (Acrylonitrile Butadiene Styrene) |
| Working Time | 0.5-1.5 hours |
| Operating Distance | Approx. 10m / 32.81ft |
| Operating Voltage | 5V / 40mA |
| Charging Method | Car charger (magnetic suction) / Micro USB data cable |
| USB Output Ports | Dual USB (5V / 3.1A) |
| Supported Protocols | HSP1.2, HFP1.6, A2DP1.3, AVRCP1.5 |
4. Setup
4.1 Initial Pairing
The EBTOOLS Single Cordless Earbud is designed for automatic connection. When you pick up the earbud from the car charger, it will automatically attempt to connect to the last paired device. For first-time use, ensure your device's Bluetooth is enabled and search for available devices. The earbud should appear as a discoverable device for pairing.
4.2 Charging the Device
Before first use, it is recommended to fully charge the earbud. The earbud supports two charging methods:
- Magnetic Charging via Car Charger: Simply place the earbud into its designated slot in the car charger. The magnetic connection will ensure proper alignment and initiate charging automatically.
- Micro USB Data Cable Charging: The earbud also features a Micro USB port, allowing it to be charged directly using a standard Micro USB data cable (not included). This is useful for charging outside of the car.

Image: The earbud being placed into the car charger for magnetic charging.

Image: Side view of the earbud securely seated in the car charger, ready for charging.
5. Operating Instructions
5.1 Automatic Connection and Call Handling
The earbud offers a convenient automatic connection feature for calls:
- Answering Calls: When a call comes in, simply pick up the earbud from the car charger. It will automatically connect to your paired device and answer the call.
- Ending Calls: To disconnect a call, place the earbud back into the car charger. It will automatically disconnect from your device.

Image: A user demonstrating the use of the earbud for calls while driving.
5.2 Using Dual USB Output Ports
The car charger unit is equipped with two USB output ports (5V/3.1A) that allow you to charge other electronic devices simultaneously. These ports can be used to charge mobile phones, tablets, power banks, driving recorders, and more, making it a versatile 2-in-1 car charger and earbud charging station.
6. Maintenance
To ensure the longevity and optimal performance of your EBTOOLS Single Cordless Earbud, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the earbud and car charger. Avoid using abrasive cleaners or solvents.
- Storage: When not in use, store the earbud in the car charger or a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Moisture: Do not expose the device to water or excessive moisture.
- Handle with Care: Avoid dropping or subjecting the device to strong impacts.
7. Troubleshooting
If you encounter issues with your EBTOOLS Single Cordless Earbud, please refer to the following common problems and solutions:
- Earbud not connecting automatically:
- Ensure the earbud is fully charged.
- Check that Bluetooth is enabled on your device.
- Try manually pairing the earbud through your device's Bluetooth settings.
- Restart both the earbud (by placing it back in the charger and picking it up) and your paired device.
- Poor call quality or intermittent connection:
- Ensure you are within the 10-meter operating range of your paired device.
- Check for any obstructions between the earbud and your device.
- Ensure the earbud is fully charged.
- Earbud not charging:
- For magnetic charging, ensure the earbud is correctly seated in the car charger slot and the car charger is receiving power.
- If using a Micro USB cable, ensure the cable is functional and properly connected to both the earbud and a power source.
- Check for any debris in the charging ports or on the magnetic contacts.
If the issue persists after trying these steps, please contact customer support.
8. Warranty and Support
For information regarding warranty coverage, technical support, or service inquiries, please refer to the product packaging or contact EBTOOLS customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
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