1. Product Overview
The CORN EB012 Pro are wireless in-ear stereo earbuds designed for mobile devices. They feature Bluetooth 5.0 connectivity, an integrated microphone, and noise cancellation for an enhanced audio experience. The earbuds offer 4-5 hours of playtime on a single charge and come with a portable charging case.

Image 1.1: CORN EB012 Pro Wireless Stereo Earbuds
2. Package Contents
Please check the package for the following items:
- CORN EB012 Pro Wireless Stereo Earbuds (Left and Right)
- Charging Case
- USB Charging Cable (not explicitly listed but standard)
- User Manual

Image 2.1: CORN EB012 Pro Product Packaging
3. Setup
3.1 Initial Charging
Before first use, fully charge the earbuds and the charging case.
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the charging case to a power source using the provided USB cable.
- The indicator lights on the case and earbuds will show charging status.
- Charging time for earbuds is approximately 1 hour. The charging case takes about 1.5 hours to fully charge.

Image 3.1: Earbuds in Charging Case (Red silicone cover shown for illustration)
3.2 Pairing with a Device
Follow these steps to pair your earbuds with your mobile device:
- Ensure the earbuds are charged and placed in the charging case.
- Open the charging case. The earbuds will automatically enter pairing mode (indicator lights will flash).
- On your mobile device, go to Bluetooth settings and turn Bluetooth on.
- Search for available devices and select "EB012 Pro" from the list.
- Once connected, the indicator lights on the earbuds will stop flashing, and your device will confirm the connection.
- For subsequent use, the earbuds will automatically connect to the last paired device when taken out of the case.
4. Operating Instructions
4.1 Power On/Off
- Power On: Open the charging case, and the earbuds will power on automatically. Alternatively, press and hold the touch area on both earbuds for a few seconds.
- Power Off: Place the earbuds back into the charging case and close the lid. Alternatively, press and hold the touch area on both earbuds for a few seconds until they power off.
4.2 Music Playback
- Play/Pause: Tap the touch area on either earbud once.
- Next Track: Double-tap the touch area on the right earbud.
- Previous Track: Double-tap the touch area on the left earbud.
4.3 Call Management
- Answer/End Call: Tap the touch area on either earbud once.
- Reject Call: Press and hold the touch area on either earbud for 2 seconds.
4.4 Noise Cancellation
The EB012 Pro earbuds feature active noise cancellation. To activate or deactivate this feature, refer to your device's Bluetooth settings or specific earbud touch control gestures if available (not detailed in product data).
4.5 Voice Assistant
To activate your device's voice assistant (e.g., Siri, Google Assistant), triple-tap the touch area on either earbud (specific gesture not detailed in product data, common for touch control earbuds).
5. Maintenance
5.1 Cleaning
- Use a soft, dry, lint-free cloth to clean the earbuds and charging case.
- Do not use abrasive cleaners, solvents, or aerosol sprays.
- Keep charging contacts clean and free of debris.
5.2 Storage
- Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Avoid storing in extreme temperatures or high humidity.
5.3 Battery Care
- To prolong battery life, avoid fully discharging the earbuds and charging case frequently.
- Charge regularly, even if not used for extended periods.
6. Troubleshooting
If you encounter issues with your CORN EB012 Pro earbuds, try the following solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on Bluetooth on your device. Forget "EB012 Pro" from your device's Bluetooth list and re-pair. |
| No sound from one earbud | Place both earbuds back in the case, close the lid, then open again. Check device's audio output settings. |
| Earbuds not charging | Ensure earbuds are correctly seated in the case. Check the charging cable and power adapter. Clean charging contacts. |
| Poor audio quality | Ensure earbuds are clean. Move closer to your paired device to avoid interference. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | CORN |
| Model Name | EB012 Pro |
| Connectivity Technology | Wireless (Bluetooth 5.0) |
| Form Factor | In-Ear |
| Noise Control | Active Noise Cancellation |
| Microphone | Included |
| Compatible Devices | Mobile Phones |
| Earbud Battery Capacity | 45 mAh |
| Playtime | 4 - 5 hours |
| Earbud Charging Time | 1 hour |
| Charging Case Charging Time | 1.5 hours |
| Control Method | Touch |
| Material | Plastic |
| Water Resistance Level | Not Water Resistant |
| Color | White |
| Package Dimensions | 18.2 x 10 x 3.2 cm; 162 grams |
8. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or contact CORN customer service through their official website or the retailer where the product was purchased.
