Introduction
This manual provides essential information for the safe and effective operation of your ENJOY-UNIQUE Wireless Retro Telephone Handset. Please read this manual thoroughly before use and retain it for future reference.

Figure 1: Wireless Retro Telephone Handset (Red) with a smartphone.
Package Contents
Ensure all items are present in the package:
- Wireless Retro Telephone Handset
- USB Charging Cable

Figure 2: Handset and included USB charging cable.
Product Features
The ENJOY-UNIQUE Wireless Retro Telephone Handset offers the following key features:
- Bluetooth Connectivity (Bluetooth 3.0)
- High-Definition Speaker and Microphone
- Integrated Pick Up / Hang Up Button
- Volume Control Buttons (+/-)
- Compatibility with Smartphones, Tablets, Laptops, and Desktops

Figure 3: Key control buttons and microphone location on the handset.
Setup
1. Charging the Handset
Before initial use, fully charge the handset. A full charge takes approximately 4 hours and provides up to 12 hours of battery life.
- Connect the small end of the provided USB charging cable to the charging port on the handset.
- Connect the larger end of the USB cable to a compatible USB power source (e.g., computer USB port, USB wall adapter).
- The indicator light on the handset will illuminate during charging and change color or turn off when fully charged.

Figure 4: Location of the charging interface and volume switch.
2. Bluetooth Pairing
Follow these steps to pair your handset with a Bluetooth-enabled device (smartphone, tablet, laptop):
- Ensure the handset is fully charged.
- Long press the power button on the handset until the indicator light flashes red and blue, indicating it is in pairing mode.
- On your device, navigate to the Bluetooth settings and ensure Bluetooth is enabled.
- Search for available devices. The handset will appear as "NFXSL" or "BT".
- Select the handset from the list to connect. Once connected, the indicator light on the handset will typically turn solid blue or stop flashing.
- The effective Bluetooth range is approximately 10 meters (33 feet).
Video 1: Demonstration of Bluetooth pairing process for the handset.

Figure 5: Handset ready for Bluetooth pairing with a smartphone.
Operating Instructions
Making and Answering Calls
- Answering a Call: When your paired device receives a call, press the "Pick up / hang up" button on the handset to answer.
- Ending a Call: Press the "Pick up / hang up" button again to end the call.
- Making a Call: Dial the number on your paired device. The audio will automatically route to the handset once the call connects.

Figure 6: The Answer/Hang Up button on the handset.
Volume Control
Adjust the call volume using the dedicated volume buttons on the side of the handset.
- Press the + button to increase the volume.
- Press the - button to decrease the volume.

Figure 7: Volume adjustment buttons on the handset.
Maintenance
To ensure the longevity and optimal performance of your handset, follow these maintenance guidelines:
- Cleaning: Wipe the handset with a soft, dry cloth. Do not use abrasive cleaners, solvents, or strong chemicals.
- Storage: Store the handset in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Avoid fully discharging the battery frequently. Charge the handset regularly, even if not in use, to maintain battery health.
- Handling: Handle the handset with care to prevent drops or impacts, which can damage internal components.
Troubleshooting
If you encounter issues with your handset, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Handset does not power on. | Low or no battery charge. | Charge the handset for at least 4 hours. |
| Cannot pair with device. | Handset not in pairing mode; Bluetooth off on device; device out of range. | Ensure handset is flashing red/blue. Turn device Bluetooth off/on. Move device closer to handset (within 10m). |
| No audio or poor audio quality during calls. | Volume too low; handset not selected as audio output; interference. | Increase volume using handset buttons. Check device's audio output settings. Move away from other electronic devices. |
| Handset disconnects frequently. | Out of Bluetooth range; low battery. | Stay within 10 meters of the paired device. Recharge the handset. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Retro Telephone |
| Model Number | BT |
| Connectivity Technology | Bluetooth 3.0, Wireless |
| Bluetooth Range | 10 Meters |
| Battery Life | 12 Hours |
| Charging Time | 4 Hours |
| Material | Plastic |
| Item Weight | 200 Grams (7.1 ounces) |
| Color | Red |
| Compatible Devices | Smartphones, Tablets, Laptops, Desktops |
Warranty and Support
For warranty information or technical support, please contact the manufacturer, ENJOY-UNIQUE, or the seller, UCOVER, through your original point of purchase. Please retain your proof of purchase for any warranty claims.