Introduction
This manual provides detailed instructions for the proper use and maintenance of your FineBlue F520 Bluetooth 5.3 Single Headset. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.
Package Contents
- 1 x FineBlue F520 Bluetooth Headset
- 1 x USB Charging Cable
- 1 x User Manual (this document)
- 3 x Silicone Headset Cases (one pre-installed)
Product Overview
The FineBlue F520 is a portable single in-ear Bluetooth headset designed for business and daily use. It features a retractable earbud, clip-on wear style, and supports multi-point connection for two devices simultaneously.
Front view of the FineBlue F520 Bluetooth headset in white, showing the retractable earbud, control buttons (up/down arrows), and the Fineblue logo.
Setup
1. Charging the Headset
- Connect the USB charging cable to the charging port on the headset.
- Plug the other end of the USB cable into a compatible USB power source (e.g., computer, wall adapter).
- The indicator light will typically show red during charging and turn blue or off when fully charged.
- A full charge takes approximately 1.5 hours.
2. Pairing with a Device
- Ensure the headset is fully charged and turned off.
- Press and hold the Multi-function button (usually the main button) for approximately 5-7 seconds until the indicator light flashes red and blue alternately, indicating pairing mode.
- On your smartphone or Bluetooth-enabled device, go to the Bluetooth settings and enable Bluetooth.
- Search for available devices. The headset should appear as "FineBlue F520" or similar.
- Select the headset from the list to connect. If prompted for a password, enter "0000".
- Once successfully paired, the indicator light will typically flash blue slowly or turn off, and you may hear a confirmation tone.
Operating Instructions
Power On/Off
- Power On: Press and hold the Multi-function button for about 3 seconds until the blue indicator light flashes.
- Power Off: Press and hold the Multi-function button for about 5 seconds until the red indicator light flashes.
Answering/Ending Calls
- Answer Call: When an incoming call is received, the headset will vibrate and announce the incoming phone number. Press the Multi-function button once to answer.
- End Call: During a call, press the Multi-function button once to end the call.
- Reject Call: Press and hold the Multi-function button for about 2 seconds to reject an incoming call.
Music Playback
- Play/Pause: Press the Multi-function button once to play or pause music.
- Next Track: Press the 'Volume Up' button (usually the top arrow button) for 2 seconds.
- Previous Track: Press the 'Volume Down' button (usually the bottom arrow button) for 2 seconds.
- Volume Adjustment: Press the 'Volume Up' or 'Volume Down' buttons briefly to adjust the volume.
Multi-point Connection
The FineBlue F520 supports connecting to two Bluetooth devices simultaneously.
- Pair the headset with the first device as described in the 'Pairing' section and then turn off the headset's Bluetooth.
- Pair the headset with the second device.
- Turn on the Bluetooth on the first device. The headset should automatically connect to both devices.
Voice Language
The headset's voice prompts are defaulted to English. It also supports Chinese. To switch languages, typically double-press the Multi-function button while in pairing mode or when not connected to a device.
Maintenance
- Clean the headset regularly with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Keep the charging port free of dust and debris.
- Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid dropping the headset or exposing it to excessive force.
- The headset is water-resistant, but not waterproof. Avoid submerging it in water.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headset does not power on. | Ensure the headset is fully charged. Connect it to a power source and try again after 15 minutes. |
| Cannot pair with device. | Ensure the headset is in pairing mode (flashing red/blue). Turn off and on your device's Bluetooth. Move the headset closer to the device. Clear previous Bluetooth connections on your device. |
| No sound or poor audio quality. | Check the volume levels on both the headset and your connected device. Ensure the headset is within the 10m transmission range. Re-pair the headset with your device. |
| Charging not working. | Check the USB cable and power adapter for damage. Try a different charging cable or power source. Ensure the charging port is clean. |
| Vibration alert not working. | Ensure the headset is powered on and connected. Check if the feature is enabled on your connected device (if applicable). |
Specifications
- Bluetooth Version: 5.3
- Transmission Distance: Up to 10 meters (33 feet)
- Talk Time: Approximately 5 hours
- Music Time: Approximately 4 hours
- Standby Time: Approximately 80 hours
- Charging Time: Approximately 1.5 hours
- Wireless Frequency: 2.4GHz-2.48GHz
- Battery: Built-in rechargeable polymer battery
- Microphone Sensitivity: -45 dB (0 dB = 1 v/Pa, 1 KHz)
- Item Weight: 30 grams (1.06 ounces)
- Control Type: Media Control
- Cable Feature: Retractable
- Water Resistance Level: Water Resistant
- Material: Plastic
Warranty and Support
For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support or further assistance, please reach out to the customer service department of your product supplier.
