Introduction
Thank you for choosing the WHYKJTEK S48 Wireless Earbuds. These earbuds are designed to provide a superior audio experience with advanced features such as Bluetooth 5.4 connectivity, deep bass stereo sound, and IPX7 waterproofing. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance and longevity.
What's in the Box
Image: Contents of the WHYKJTEK S48 Wireless Earbuds package.
- Charging Case
- Wireless Earbuds (Left and Right)
- Extra Ear Caps (2 Pairs - S/M/L sizes)
- Type-C Charging Cable
- User Manual
- Packaging Box
Setup
1. Charging the Earbuds and Case
Image: LED Digital Power Display indicating charging status.
- Initial Charge: Before first use, fully charge the earbuds and charging case.
- Charging the Case: Connect the Type-C charging cable to the charging port on the case and a power source. The LED digital display on the case will show the battery percentage.
- Charging the Earbuds: Place the earbuds into the charging case. They will automatically begin charging. The LED display will show individual earbud charging status (L and R indicators).
- Battery Life: A full charge provides approximately 6 hours of playtime for the earbuds, with the charging case extending total playtime up to 50 hours. A 10-minute quick charge can provide 2 hours of playtime.
2. Pairing with Your Device
Image: One-step auto pairing guide for the S48 earbuds.
- Step 1: Open the lid of the charging case. The earbuds will automatically power on and enter pairing mode.
- Step 2: On your smartphone, laptop, or other Bluetooth-enabled device, open the Bluetooth settings.
- Step 3: Search for available devices and select "S48" from the list to connect. Once connected, you will hear a confirmation tone, and the device will show "Connected."
- Automatic Reconnection: After the initial pairing, the earbuds will automatically connect to the last paired device when removed from the charging case.
Operating Instructions
Touch Controls
Image: Handy touch operation guide for the S48 earbuds.
| Action | Control |
|---|---|
| Play/Pause | Double-tap L/R earbud |
| Volume Up | Single-tap R earbud |
| Volume Down | Single-tap L earbud |
| Next Track | Press and hold R earbud for 2 seconds |
| Previous Track | Press and hold L earbud for 2 seconds |
| Answer/Hang Up Call | Double-tap L/R earbud |
| Reject Call | Press and hold L/R earbud for 2 seconds |
| Activate Voice Assistant | Triple-tap L/R earbud |
Call Functions
Image: ENC-Crystal Clear Phone Calls feature.
The S48 earbuds feature 4 microphones and ENC (Environmental Noise Cancellation) technology. This enhances voice pickup and minimizes background noise during calls, ensuring crystal-clear conversations even in noisy environments.
Key Features
Premium Stereo Sound
Image: Internal structure of the earbud driver for premium stereo sound.
Equipped with exclusive dual-layer 12mm dynamic drivers, the S48 earbuds deliver powerful bass, clear mids, and bright highs for an immersive Hi-Fi stereo audio experience.
Ergonomic Design & Comfort
Image: Ergonomic design and lightweight nature of the earbuds.
The earbuds feature an ergonomic design and are ultra-lightweight (4g per earbud) for a secure and comfortable fit during extended use. Multiple sizes of ear tips (S/M/L) are included to ensure a personalized fit.
IPX7 Waterproof Rating
Image: IPX7 Waterproof feature of the earbuds.
With an IPX7 waterproof rating, these earbuds are resistant to sweat and rain, making them suitable for workouts and outdoor activities. Avoid submerging them in water.
Bluetooth 5.4 Connectivity
Image: Advanced Bluetooth 5.4 technology benefits.
The latest Bluetooth 5.4 technology ensures fast transmission speeds, stable connections, and optimized power consumption, providing a seamless audio experience.
Ultra-Low Latency
Image: Ultra-low latency feature for gaming and video.
With 60ms ultra-low latency technology, the earbuds minimize the gap between audio and video during playback, providing a synchronized experience for gaming and watching videos.
Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents.
- Ear Tips: Remove and clean the silicone ear tips with mild soap and water, then dry thoroughly before reattaching.
- Charging Contacts: Ensure the charging contacts on both the earbuds and the case are clean and dry to prevent charging issues.
- Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged. Avoid extreme temperatures.
Troubleshooting
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on your device's Bluetooth. Forget "S48" 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 balance settings. |
| Earbuds not charging | Clean charging contacts on earbuds and case. Ensure charging cable is securely connected and power source is active. |
| Poor sound quality | Ensure ear tips provide a good seal. Try different sized ear tips. Clean earbuds. Move closer to the connected device to avoid interference. |
| Touch controls unresponsive | Ensure your fingers are clean and dry. Restart the earbuds by placing them in the case and taking them out. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | S48 |
| Bluetooth Version | 5.4 |
| Ear Placement | In Ear |
| Driver Size | 12mm (Dual-layer diaphragm) |
| Battery Life (Earbuds) | Up to 6 hours |
| Total Playtime (with Case) | Up to 50 hours |
| Charging Port | Type-C |
| Waterproof Rating | IPX7 |
| Noise Cancellation | ENC (Environmental Noise Cancellation) for calls |
| Earbud Weight | Approx. 4g per earbud |
| Parcel Dimensions | 17.7 x 9.3 x 3.4 cm |
| Parcel Weight | 90 g |
Warranty and Support
WHYKJTEK products are designed and manufactured to the highest quality standards. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official WHYKJTEK website. Please retain your proof of purchase for warranty claims.