1.1 Package Contents
Ensure all items are present in the package:
- Left earphone (1)
- Right earphone (1)
- Charging case (1)
- Charging cable (1)
- User Manual (1)
TWS Wireless Earbuds K53 User Manual
Model: K53
Introduction
Thank you for choosing the TWS Wireless Earbuds Model K53. These earbuds offer a high-quality audio experience with Bluetooth 5.3 connectivity, a comfortable in-ear design, and advanced features like active noise cancelling for calls. This manual provides detailed instructions on how to set up, operate, and maintain your new earbuds. Please read this manual carefully before use to ensure optimal performance and longevity of your device.
1. Setup
1.2 Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case.
- Connect the provided Type-C charging cable to the charging port on the case.
- Connect the other end of the cable to a USB power source (e.g., wall adapter, computer USB port).
- The indicator lights on the charging case will illuminate to show charging status.
- A full charge for the case and earbuds typically takes about 1.5 hours.
- Once fully charged, the indicator lights may change or turn off.
Figure 1: Charging the Earbuds and Case
Text description: The image shows the charging case with a Type-C cable plugged into its port, indicating the charging process. The text on the image states "Charge quickly" and "The time for washing or taking a break can make the earphone full of power."
Figure 2: Fast Charging Capability
Text description: This image highlights the fast charging feature, stating "Charge quickly Used for a long time" and "Charge for 10 minutes and talk for 2 hours."
1.3 Pairing with Your Device
The earbuds utilize Bluetooth 5.3 for stable and efficient wireless connection.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "K53" (or similar name) from the list.
- Once connected, you will hear a confirmation tone, and the earbuds' indicator lights may change.
- The earbuds are widely compatible with Android, Apple iOS, Windows devices, and game consoles.
Figure 3: Broad Device Compatibility
Text description: The image illustrates the earbuds' compatibility with Android, Apple, Windows devices, and game consoles, emphasizing "Full compatibility In one step."
1.4 Wearing the Earbuds
The earbuds are designed for a comfortable and secure fit:
- The earbuds feature a lightweight design (approx. 2.9g per earbud) and a 45-degree golden angle semi-in-ear design to fit the auricle curve comfortably.
- Gently insert each earbud into your ear canal, ensuring a snug fit for optimal sound quality and noise reduction.
Figure 4: Ergonomic Design for Comfort
Text description: This image highlights the comfortable fit, stating "Comfortable enough Forgot to take it off" and detailing the "45 golden angle half-in-ear design" and "2.7cm short handle design."
2. Operating Instructions
2.1 Touch Controls
The earbuds feature intelligent and sensitive touch controls:
| Action | Command |
|---|---|
| Play/Pause | Double-press headphones on either side |
| Answer/Hang up Call | Double-press headphones on either side |
| Reject Calls | Press and hold the headphones on either side for 2 seconds |
| Cut a Song (Next Track) | Press and hold the left earphone for 2 seconds |
| Cut off a Song (Previous Track) | Press and hold the right earphone for 2 seconds |
| Activate Voice Assistant | Press headphones on either side three times |
| One-button Reset | One-key reset of the buttons at the bottom of the earphone compartment |
Figure 5: Earbud Touch Control Functions
Text description: This image provides a visual guide to the touch controls, detailing actions like play/pause, answering calls, skipping tracks, and activating the voice assistant.
2.2 Power Saving Mode
The earbuds are equipped with a built-in Hall sensor. If there is no operation for 3 minutes in standby state, the earbuds will automatically enter power saving mode to conserve battery life.
Figure 6: Battery Life and Power Saving
Text description: The image displays battery life information (6 hours single earphone, 36 hours with charging bin) and explains the 3-minute power saving mode activation.
3. Maintenance
3.1 Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, solvents, or aerosol sprays.
- Ensure charging contacts on both earbuds and case are clean and dry to prevent charging issues.
3.2 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.
3.3 Water Resistance
The earbuds are waterproof, making them suitable for various activities. However, they are not designed for swimming or prolonged submersion. Ensure they are dry before placing them back in the charging case to prevent damage.
4. Troubleshooting
- Earbuds not pairing: Ensure both earbuds are in the charging case, then open the lid to activate pairing mode. Check your device's Bluetooth settings and try reconnecting. If issues persist, perform a one-button reset as described in the Operating Instructions.
- Only one earbud working: Place both earbuds back in the charging case, close the lid, wait a few seconds, then open it again. This often re-syncs them.
- Charging issues: Verify the charging cable and adapter are working. Clean the charging contacts on the earbuds and inside the case with a dry cotton swab.
- Low volume or poor sound quality: Ensure the earbuds are properly seated in your ears. Check your device's volume settings.
- Intermittent connection: Ensure you are within the effective Bluetooth range (up to 20 meters) and there are no major obstructions between the earbuds and your device.
5. Specifications
| Feature | Detail |
|---|---|
| Model | K53 |
| Colors Available | Black, Skin Color (Complexion), White, Blue |
| Material | Metal, Plastic, Silica Gel (Earbuds); ABS+PC (Charging Case) |
| Weight (Earbuds) | Approx. 2.9 grams (per earbud) |
| Weight (Total) | About 29.5 grams (earbuds + case) |
| Bluetooth Version | 5.3 |
| Communication Distance | 10m - 20m (Maximum wireless range) |
| Single Earbud Battery Life | About 6 hours (game mode off), About 5 hours (game mode on) |
| Total Battery Life (with case) | About 36 hours |
| Earbud Battery Capacity | 300mAh |
| Charging Case Battery Capacity | 450mAh |
| Charging Time | About 1.5 hours |
| Charging Interface | Type-C |
| Decoding Protocol | SBC/AAC |
| Frequency Response Range | 20Hz - 20KHz |
| Sensitivity | 98dB |
| Impedance Range | Up to 32 Ω |
| Driver Diameter | 13mm |
| Features | Waterproof, Built-in Microphone, Active Noise Cancelling (ENC call noise reduction), Sound Isolating, Volume Control, Control Button, Support APP |
| Certifications | CE, FCC |
Figure 7: Detailed Product Parameters
Text description: This image presents a table of product parameters including model, color, material, weight, Bluetooth version, communication distance, listening time, battery capacity, charging time, charging interface, decoding protocol, and frequency response.
6. User Tips
- For the best sound experience, ensure the earbuds are securely and comfortably fitted in your ears.
- Keep the charging case charged to maximize the total listening time of your earbuds.
- Utilize the one-button reset function if you encounter persistent pairing or connection issues.
- The low-latency feature is ideal for gaming, providing a more synchronized audio experience.
- Take advantage of the ENC call noise reduction for clearer conversations in noisy environments.
7. Warranty and Support
This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. For detailed warranty information or technical support, please refer to the seller's policy or contact their customer service directly. Keep your purchase receipt as proof of purchase.
