Philips Fidelio L4 - Headphones Manual

Your Bluetooth headphones

Congratulations on your purchase, and welcome to Philips! To fully benefit from the support that Philips offers, register your product at www.philips.com/support.
With the Philips over-ear headphones, you can:

• Enjoy convenient wireless handsfree calls
• Enjoy and control music wirelessly
• Switch between calls and music

What's in the box

Other devices

A mobile phone or device (e.g. notebook, tablet, Bluetooth adapters, MP3 players etc) which supports Bluetooth and is compatible with the headphones.

Overview of your Bluetooth headphones

1. Audio jack
2. LED indicator
3. Touch Control Panel
4. Voice Assistant button
5. ANC/Awareness mode button
6. USB Type C charger slot
7. (Power button)

Get started

Charge the battery

Note

• Before you use your headphones, charge the battery for 2 hours for optimum battery capacity and lifetime.
• Use only the original USB-C charging cable to avoid any damage.
• Finish your call before charging.

Connect the supplied USB charging cable to:

• The USB type C charging slot on the headphones;
• The charger/USB port of a computer.

Tip

• Normally, a full charge takes 2 hours.

App download

Scan the QR code/press 'Download' button or search 'Philips Headphones' in the Apple App Store or Google Play to download the app.
philips.to/headapp

The Philips Headphones App puts you in charge of the music you are listening to. You can customize the sound so that your music and calling experience always best suits your needs.

Pair the headphones with your Bluetooth device for the first time

1. Make sure that the headphones are fully charged and turned off.
2. Press and hold for 2 seconds to turn on the headphones, they will be in pairing mode and ready to connect.
   • The blue and white LEDs ash alternately.
   • The headphones remain in pairing mode for 5 minutes.
3. Make sure that the Bluetooth device is turned on and its Bluetooth feature is activated.
4. Pair the headphones with the Bluetooth device. For detailed information, refer to the user manual of your Bluetooth device.

The following example shows you how to pair the headphones with your mobile phone.

• Activate the Bluetooth feature of your mobile phone, select Philips Fidelio L4
  

Pair the headphones with another Bluetooth device

If you want to pair another Bluetooth device with the headphones, turn off the headphones, then press and hold for 5 seconds until the blue and white LEDs flash alternately. Your headphones are in pairing mode now and you could discover the second device as per normal pairing.

Note

• The headphones can store 4 devices in the memory. If you try to pair more than 4 devices, the earliest paired device will be replaced by the new one.

Use your headphones

Connect the headphones to your Bluetooth device

1. Turn on your mobile phone/ Bluetooth device.
2. Press and hold the on/off button to turn the headphones on.
   • The blue LED will turn on 2s.
   • The headphones are reconnected to the last connected mobile phone/ Bluetooth device automatically.

Tip

• If you turn on the mobile phone/Bluetooth device or activate the Bluetooth feature after turning on the headphones, you have to reconnect the headphones and mobile phone/ Bluetooth device manually.

Note

• If the headphones fail to connect to last connected Bluetooth device within range of 3 minutes, it will change to pairing mode, then will switch off automatically if it's still not connected to any Bluetooth device 5 minutes later.

Wired Connection

You can also use the headphones with the audio cable provided. Connect the supplied audio cable to the headphones and external audio device.

Tip

• The function keys will be disabled when using line-in mode.

Google Fast Pair

The headphone supports Google Fast Pair:

• Enter pairing mode of the headphones.
• The Bluetooth of Android smartphone should also turn on.
• The headphones will be automatically detected by the Android smartphone.
  

Multi-point connection

Pairing

• Pairing the headphones to 2 devices, e.g. mobile phone and notebook.

Switch between device

• At any time, only can listen to music from 1 device. Another device will be for phone call.
• Pause the audio from 1 device and then start play audio from the another device.

Power on/off

On/off
Task	Button	Operation
Turn the headphones on		Press and hold for 2 seconds
Turn the headphones off		Press and hold for 2 seconds The white LED is on and fades out

Manage your calls and music

ANC/Awareness control

Note

• Smartphones have to install the Google Assistant app.

Smartphone voice assist function (e.g. Google app, Siri)

Note

• Please refer to the operating instructions of the smartphone.

Other headphones indicator status

Wearing Detection

• The music playback will be paused when take off the headphones from wearing.
• Then, the music playback will be resumed when you put on the headphones.

Note

• If you do not wear the headphones more than 5 minutes, the headphones will be powered off.

Technical data

• Music time: 50 hours (ANC off); 40 hours (ANC on)
• Charging time: 2 hours
• Rechargeable lithium polymer battery (800 mAh)
• Bluetooth version: 5.3
• Compatible Bluetooth profiles:
  • HFP (Hands-Free Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio Video Remote Control Profile)
• Graphene coated driver diameter: 40mm
• Microphone for call: 2 AI mic
• Operating range: Up to 10 meters (33 feet)
• Type-C USB port for charging
• Supported codec: AAC, LDAC, SBC, LC3
• ANC (Active Noise Canceling):
  • ANC technology: Hybrid, ANC Pro+
  • Adaptive ANC
  • Awareness mode
• Google Fast Pair
• Auto pause (IR sensor)
• Philips Headphones app support
• Firmware updates possible
• Automatic power off
• Volume control
• Type of controls: Touch

Note

• Specifications are subject to change without notice.

Frequently asked questions

My Bluetooth headphones do not turn on.
The battery level is low. Charge the headphones.

I cannot pair my Bluetooth headphones with my Bluetooth device.
The Bluetooth is disabled. Enable the Bluetooth feature on your Bluetooth device and turn on the Bluetooth device before you turn on the headphones.

How to factory reset.
Press/hold both Power button and ANC for 3s with USB power removed.

I hear but cannot control music on my Bluetooth device (e.g. play/pause/skip forward/backward).
Make sure the Bluetooth audio source supports AVRCP (see 'Technical data').

The volume level of the headphones is too low.
Some Bluetooth devices cannot link the volume level with the headphones through volume sync. In this case, you have to adjust the volume on your Bluetooth device independently to achieve an appropriate volume level.

Your headphones cannot charge with other USB cable.
The product does not support USB type C to USB type C charging cable.
Please always use the supplied USB charging cable (USB type A to USB type C).

The Bluetooth device cannot find the headphones.

• The headphones may be connected to a previously paired device. Turn off the connected device or move it out of range.
• Pairing may have been reset or the headphones have been previously paired with another device. Pair the headphones with the Bluetooth device again as described in the user manual. (see 'Pair the headphones with your Bluetooth device for the first time').

My Bluetooth headphones are connected to a Bluetooth stereo enabled mobile phone, but music only plays on the mobile phone speaker.
Refer to the user manual of your mobile phone. Select to listen to music through the headphones.

The audio quality is poor and crackling noise can be heard.

• The Bluetooth device is out of range. Reduce the distance between your headphones and Bluetooth device, or remove obstacles between them.
• Charge your headphones.

Clean your headphones regularly.

• Use a clean, damp cloth to clean your headphones - especially the sound conduits and the microphone holes - regularly and avoid buildup of substances such as sweat or earwax.
• If any sweat or water droplets are left in the sound conduits, air holes or microphone holes, the sound level will temporarily drop or cut out entirely. This is not a malfunction. Use a soft, damp cloth to dry the headphones thoroughly. Alternatively, remove the earbud tips, turn the sound conduits downward and gently tap the headphones about 5 times on a dry cloth or similar to remove any water collected inside.
• Be sure the headphones are completely dry before charging and using. Avoid using disposable alcohol pads or other substances for cleaning.

Charge your headphones regularly.
If the headphones are not used for a long time, the rechargeable battery will begin to lose its charge. To avoid this loss, please fully charge the battery at least once every three months.

Important safety instructions

Hearing safety

• To avoid hearing damage, limit the time you use headphones at high volume and set the volume to a safe level. The louder the volume, the shorter the safe listening time is.

Be sure to observe the following guidelines when using your headphones.

• Listen at reasonable volumes for reasonable periods of time.
• Be careful not to adjust the volume continuously upwards as your hearing adapts.
• Do not turn up the volume so high that you can't hear what's around you.
• You should use caution or temporarily discontinue use in potentially hazardous situations.
• Excessive sound pressure from headphones and headphones can cause hearing loss.
• Using headphones with both ears covered while driving is not recommended and may be illegal in some areas.
• For your safety, avoid distractions from music or phone calls while in traffic or other potentially dangerous environments.

General information

To avoid damage or malfunction:

• Do not expose headphones to excessive heat.
• Do not drop your headphones.
• Headphones shall not be exposed to dripping or splashing. (Refer to the IP rating of specific product)
• Do not allow your headphones to be submerged in water.
• Do not charge your headphones when the connector or socket is wet.
• Do not use any cleaning agents containing alcohol, ammonia, benzene, or abrasives.
• Use a clean, damp cloth to clean your headphones - especially the sound conduits and the microphone holes - regularly and avoid buildup of substances such as sweat or earwax.
• If any sweat or water droplets are left in the sound conduits, air holes or microphone holes, the sound level will temporarily drop or cut out entirely. This is not a malfunction. Use a soft, damp cloth to dry the headphones thoroughly.
  Alternatively, remove the earbud tips, turn the sound conduits downward and gently tap the headphones about five times on a dry cloth or similar to remove any water collected inside.
• Be sure the headphones are completely dry before charging and using. Avoid using disposable alcohol pads or other substances for cleaning.
• The integrated battery shall not be exposed to excessive heat such as sunshine, fire or the like.
• Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.
• To achieve the specific IP rating, the charging slot cover must be closed.
• Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting a battery, can result in an explosion.
• Leaving a battery in an extremely high temperature surrounding environment can result in an explosion or the leakage of flammable liquid or gas.
• A battery subjected to extremely low air pressure may result in an explosion or the leakage of flammable liquid or gas.
• Replacement of a battery with an incorrect type risks severely damaging the headphones and the battery (for example, in the case of some lithium battery types).
• If the headphones are not used for a long time, the rechargeable battery will begin to lose its charge. To avoid this loss, please fully charge the battery at least once every three months.
• To avoid risk of fire, the equipment is supplied only by external power source which output shall comply with PS1 (with output capacity less than 15W).

Operating and storage temperatures and humidity

• Store in a place where the temperature is between -20°C (-4°F) and 50°C (122°F) with up to 90% relative humidity.
• Operate in a place where the temperature is between 0°C (32°F) and 45°C (113°F) with up to 90% relative humidity.
• Battery life may be shorter in high or low temperature conditions.

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