1. Introduction
The Kaidi TWS KD-777 are intra-auricular wireless earbuds designed for an immersive audio experience. They feature a built-in microphone with noise cancellation, water resistance, and Bluetooth V5.3 connectivity, offering stable performance and comfort for various activities, including gaming, exercise, and calls.
Image 1.1: Kaidi TWS KD-777 Wireless Earbuds and Charging Case.
2. Product Features
- Immersive Sound & Clear Communication: High-quality built-in microphone with noise cancellation, ideal for intense gaming sessions and clear calls.
- Water Resistance (IPX4): Protection against splashes and sweat, ensuring durability during intense use and workouts.
- Modern & Ergonomic Design: Comfortable fit for extended wear, combining style and functionality.
- Durable Construction: Made with high-quality polycarbonate (PC) and silicone for extended lifespan.
- Stable Bluetooth V5.3 Connectivity: Low latency and stable connection for a smooth, uninterrupted audio experience.
- Integrated Noise Control: Features Active Noise Cancellation, Passive Noise Cancellation, and Sound Isolation for an optimized listening experience.
- Media Control: Remote control functionality for managing music playback and calls.
3. Package Contents
Ensure all items are present in the package:
- Kaidi TWS KD-777 Wireless Earbuds (Left and Right)
- Charging Case
- Ear Cushions (various sizes)
- USB Type-C Charging Cable
- User Manual (this document)
4. Setup
4.1. Charging the Earbuds and Case
- Place the earbuds into the charging case. Ensure they are correctly seated; indicator lights on the earbuds will confirm charging.
- Connect the provided USB Type-C cable to the charging port on the back of the case and the other end to a USB power source (e.g., wall adapter, computer USB port).
- The charging case indicators will show charging status. A full charge typically takes approximately 2 hours.
Image 4.1: Charging Case with USB-C Port.
4.2. Bluetooth Pairing
- Ensure the earbuds are charged.
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by flashing lights.
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for available Bluetooth devices and select "Kaidi KD-777" from the list.
- Once connected, the earbud indicator lights will stop flashing, and your device will confirm the connection.
Image 4.2: Earbuds in Charging Case, Ready for Pairing.
4.3. Fitting the Earbuds
Select the appropriate ear cushions for a secure and comfortable fit. Gently insert each earbud into your ear canal and twist slightly to ensure a snug seal. A good seal is crucial for optimal sound quality and noise cancellation.
5. Operating Instructions
The Kaidi TWS KD-777 earbuds feature touch controls for various functions.
5.1. Power On/Off
- Power On: Open the charging case, and the earbuds will automatically power on and connect to the last paired device.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging.
5.2. Music Playback
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap the right earbud.
- Previous Track: Double tap the left earbud.
- Volume Up: Triple tap the right earbud.
- Volume Down: Triple tap the left earbud.
5.3. Call Management
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
5.4. Voice Assistant
- Activate Voice Assistant: Press and hold either earbud for 3 seconds (e.g., Siri, Google Assistant).
5.5. Noise Control Modes
The KD-777 supports various noise control features. Specific touch gestures for switching between Active Noise Cancellation, Passive Noise Cancellation, and Sound Isolation modes may vary. Refer to the quick start guide included in your package for detailed instructions on mode switching.
6. Maintenance
6.1. Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Remove ear cushions and clean them with mild soap and water if necessary. Ensure they are completely dry before reattaching.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
6.2. Storage
- When not in use, store the earbuds in their charging case to protect them and keep them charged.
- Store in a cool, dry place away from extreme temperatures and direct sunlight.
6.3. Water Resistance
The earbuds are IPX4 water-resistant, meaning they are protected against splashing water from any direction. They are not designed for submersion in water. Avoid exposing them to heavy rain, showering, or swimming.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds do not power on. | Low battery. | Place earbuds in the charging case and charge fully. |
| Cannot pair with device. | Bluetooth is off on device; earbuds not in pairing mode; too far from device. | Ensure Bluetooth is on. Open case to activate pairing mode. Move earbuds closer to device (within 10 meters). Forget device in Bluetooth settings and re-pair. |
| No sound or low volume. | Volume too low; earbuds not properly seated; device volume low. | Adjust volume on earbuds and device. Ensure earbuds are properly fitted. Check for debris in earbud nozzles. |
| Charging case not charging. | Faulty cable or power source. | Try a different USB Type-C cable and power adapter. Ensure connections are secure. |
| Intermittent connection. | Obstacles between device and earbuds; too far from device; interference. | Reduce distance to device. Avoid physical obstructions. Minimize other wireless devices nearby. |
8. Specifications
| Model Name | Kaidi TWS KD-777 |
| Connectivity Technology | Wireless (Bluetooth V5.3) |
| Ear Placement | In-Ear (Intra-auricular) |
| Speaker Size | 13mm |
| Earbud Battery Capacity | 30mAh |
| Charging Case Battery Capacity | 300mAh |
| Charging Time | Approx. 2 Hours |
| Max Operating Distance | 10 Meters |
| Water Resistance Level | IPX4 (Splash Resistant) |
| Noise Control | Active Noise Cancellation, Passive Noise Cancellation, Sound Isolation |
| Material | Polycarbonate (PC), Silicone |
| Control Type | Media Control (Remote) |
| Compatible Devices | All Bluetooth v5.3 enabled devices |
| Product Dimensions | 10 x 10 x 5 cm |
9. Warranty Information
The Kaidi TWS KD-777 Wireless Earbuds come with a 2-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Please retain your proof of purchase for warranty claims.
10. Support
For further assistance, technical support, or warranty claims, please contact your retailer or the manufacturer's customer service. Refer to the packaging or the official Kaidi website for contact details.
