1. Product Overview
The HYUNDAI HY-C03 are innovative Open Wireless Headphones designed for comfort, high-quality audio, and versatile use. Featuring a unique clip-on design, Bluetooth 5.4 connectivity, IPX5 waterproofing, and advanced sound technology, these earbuds are suitable for various activities, including sports and daily calls.
2. Package Contents
Ensure all items are present in the package:
- Earbuds x 2
- User Manual x 1
- Charging Case x 1
- Data Cable x 1
3. Setup and First Use
3.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Connect the provided Type-C data cable to the charging case and a suitable USB power source. The charging case has a battery capacity of 250mAh, and each earbud has a 25mAh battery. A full charge for the headphones takes approximately 1.5 hours, providing up to 4.5 hours of listening time on a single use.
3.2 Pairing with a Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "HY-C03" in the list of available Bluetooth devices and select it to connect.
- Once connected, you will hear a confirmation tone.
The headphones support simultaneous connection with two devices, allowing for seamless switching between them.
3.3 Wearing the Earbuds
The HY-C03 features an open-type clip-on design for comfortable and secure listening without blocking the ear canal. Gently clip the earbuds onto your ears, ensuring a snug fit. The open listening design allows you to remain aware of your surroundings while enjoying audio.
4. Operating Instructions
4.1 Touch Controls
The HY-C03 earbuds feature intuitive one-touch interaction for easy operation:
- Press the function key three times: Previous song (left ear), Next song (right ear).
- Double-click the function key: Play/pause music (left/right ear), Answer/Hang up the phone (left/right ear).
- Click the function key: Volume down (left ear), Volume up (right ear).
- Long press 2S function key: Wake up the voice assistant (left/right ear), Reject call (left/right ear).
4.2 Audio Features
Experience powerful sound effects with 360° panoramic virtual mixing technology, achieving high-resolution sound quality and an immersive audio experience. The 10mm large dynamic titanium diaphragm speaker delivers balanced three-band audio with full bass and bright treble.
4.3 Call Noise Reduction
The earbuds feature call noise reduction technology, allowing for clear, high-definition calls by minimizing background noise.
5. Maintenance and Care
5.1 Cleaning
Regularly clean your earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals. Do not immerse the charging case in water.
5.2 Waterproofing
The earbuds are IPX5 waterproof, meaning they are protected against multi-directional water jets, heavy rain, and sweat. This makes them ideal for exercise. However, they are not suitable for swimming or submersion in water. Ensure the earbuds are dry before placing them back in the charging case.
5.3 Storage
When not in use, store the earbuds in their charging case to protect them from dust and damage. Store the case in a cool, dry place away from direct sunlight and extreme temperatures.
6. Troubleshooting
- Earbuds not pairing: Ensure the earbuds are charged and within range of your device. Turn off and on your device's Bluetooth, then try pairing again.
- No sound: Check the volume levels on both your device and the earbuds. Ensure the earbuds are properly connected to your device.
- Charging issues: Verify the charging cable is securely connected to both the case and the power source. Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
- Intermittent connection: Move closer to your connected device. Avoid environments with strong electromagnetic interference.
7. Specifications
| Feature | Specification |
|---|---|
| Model | HY-C03 |
| Brand Name | HYUNDAI |
| Bluetooth Version | 5.4 |
| Wireless Type | Bluetooth |
| Communication | Wireless |
| Maximum Wireless Range | <10m |
| Earbud Battery Capacity | 25mAh |
| Charging Case Battery Capacity | 250mAh |
| Battery Life (single use) | Up to 4.5 hours |
| Charging Time (headphones) | ~1.5 hours |
| Charging Method | Charging case (Type-C) |
| Waterproof Rating | IPX5 |
| With Microphone | Yes |
| Active Noise-Cancellation | Yes |
| Volume Control | Yes |
| Control Button | No (Touch controls) |
| Vocalism Principle | Dynamic |
| Driver Diameter | 13mm (Note: Image says 10mm, text says 13mm. Using 13mm from product properties) |
| Frequency Response Range | 20 - 20000 Hz |
| Sensitivity | 112dB |
| Impedance Range | up to 32 Ω |
| Material | Metal, Silica Gel |
| Headphone Pads Material | Silicone |
| Support APP | Yes |
8. User Tips
- Decorative Accessories: The earbuds can be customized with various decorative earpieces (sold separately), such as Silver Bow Tie, Silver Butterflies, Silver Petal, and Silver Gerbera. These are purely aesthetic and do not affect functionality.
- Multi-Device Connectivity: Take advantage of the smart compatibility to connect to multiple mobile phones, tablets, and other devices, supporting simultaneous connection with two devices for seamless audio switching.
- Optimal Sound: For the best audio experience, ensure the earbuds are securely clipped to your ears. The DT6.0 pulse directional sound transmission technology precisely focuses sound waves into your ears.
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact the HYUNDAI Audio Store directly. Keep your proof of purchase for any warranty claims.
