Model: EBTOOLSc1qr7ainbd
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.
The EBTOOLS Single Cordless Earbud package includes the following items:

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.
| 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 |
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.
Before first use, it is recommended to fully charge the earbud. The earbud supports two charging methods:

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.
The earbud offers a convenient automatic connection feature for calls:

Image: A user demonstrating the use of the earbud for calls while driving.
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.
To ensure the longevity and optimal performance of your EBTOOLS Single Cordless Earbud, follow these maintenance guidelines:
If you encounter issues with your EBTOOLS Single Cordless Earbud, please refer to the following common problems and solutions:
If the issue persists after trying these steps, please contact customer 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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