Sony LinkBuds Fit

Sony LinkBuds Fit Truly Wireless Noise Canceling Earbud Headphones Instruction Manual

Model: LinkBuds Fit (WFLS910NB.UC)

Introduction

This manual provides essential instructions for the safe and effective use of your Sony LinkBuds Fit Truly Wireless Noise Canceling Earbud Headphones. Please read this manual thoroughly before using the product and retain it for future reference.

The Sony LinkBuds Fit earbuds offer unparalleled comfort, excellent sound quality, and clear call performance. Featuring an improved Ambient Sound Mode and advanced noise canceling, these earbuds are designed to keep you connected and aware of your surroundings.

What's in the Box

Verify that all items are present in your product packaging:

  • Sony LinkBuds Fit Earbuds (Left and Right)
  • Charging Case
  • Air Fitting Supporters (various sizes)
  • Soft Fitting Earbud Tips (SS/S/M/L, 2 each)
  • USB Type-C Cable (USB-A to USB-C)
Contents of Sony LinkBuds Fit box including earbuds, charging case, ear tips, and USB-C cable

Image: All components included in the Sony LinkBuds Fit product box.

Setup

1. Charging the Earbuds and Case

Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. Connect the supplied USB Type-C cable to the charging case and a USB power source. The indicator light on the case will show charging status.

Sony LinkBuds Fit earbuds and charging case, illustrating battery life and quick charging

Image: LinkBuds Fit earbuds and charging case, highlighting battery life and quick charge capabilities.

Sony LinkBuds Fit earbuds inside their open charging case

Image: LinkBuds Fit earbuds placed inside the open charging case for charging.

2. Fitting the Earbuds

Select the appropriate size of Air Fitting Supporters and earbud tips for a secure and comfortable fit. The correct fit is crucial for optimal sound quality and noise canceling performance. Gently twist the earbuds into your ears until they feel snug.

Diagram showing how to properly fit an earbud into the ear

Image: Diagram illustrating the correct placement of the earbud and Air Fitting Supporter in the ear.

Woman wearing a white Sony LinkBuds Fit earbud, demonstrating a comfortable and secure fit

Image: A user wearing a LinkBuds Fit earbud, showcasing its comfortable and secure design.

3. Bluetooth Pairing

  1. Open the charging case with the earbuds inside.
  2. The earbuds will automatically enter pairing mode.
  3. On your device (smartphone, tablet, etc.), go to Bluetooth settings and select 'LinkBuds Fit' from the list of available devices.
  4. Once connected, you will hear an audio confirmation.

4. Sony | Headphones Connect App

For full functionality and customization, download the Sony | Headphones Connect app from your device's app store. The app allows you to adjust sound settings, customize controls, and manage noise canceling features.

Operating Instructions

Power On/Off

  • Power On: Remove the earbuds from the charging case. They will automatically power on and attempt to connect to the last paired device.
  • Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging.

Controls

The LinkBuds Fit feature intuitive touch controls. You can customize these controls via the Sony | Headphones Connect app. Default functions typically include:

  • Play/Pause: Single tap on either earbud.
  • Next Track: Double tap on the right earbud.
  • Previous Track: Double tap on the left earbud.
  • Answer/End Call: Single tap on either earbud.
  • Activate Voice Assistant: Triple tap on either earbud.

For advanced control customization, refer to the Sony | Headphones Connect app.

Man using Sony LinkBuds Fit earbuds while working on a laptop and phone

Image: A user interacting with their devices while wearing LinkBuds Fit, demonstrating hands-free control.

Noise Canceling

The LinkBuds Fit are equipped with advanced noise canceling technology, featuring dual noise sensors and an Auto Noise Canceling Optimizer. This system filters exterior sound and adjusts to your surroundings for optimal audio performance.

Woman wearing white Sony LinkBuds Fit earbuds on a subway platform, illustrating active noise canceling

Image: A user experiencing the noise canceling feature in a busy environment.

Ambient Sound Mode

When activated, the improved Ambient Sound Mode allows you to hear your surroundings while still enjoying your audio. This feature automatically adjusts to your environment, reducing excess noise while keeping you aware of important sounds like announcements or conversations.

Two women conversing in a cafe, one wearing white Sony LinkBuds Fit earbuds, demonstrating Ambient Sound Mode

Image: Users interacting while wearing LinkBuds Fit, showcasing the Ambient Sound Mode.

Call Management

Enjoy exceptional call quality even in noisy environments. The earbuds are designed to provide clear voice transmission and reception.

  • Answer/End Call: Single tap on either earbud.
  • Reject Call: Press and hold either earbud.
Man talking while wearing black Sony LinkBuds Fit earbuds, illustrating clear call quality

Image: A user making a call with LinkBuds Fit, highlighting the clear call quality.

Multipoint Connection

The LinkBuds Fit support multipoint connection, allowing you to connect to two devices simultaneously. This enables seamless switching between devices, for example, from music on your computer to a call on your smartphone.

Maintenance

Cleaning

  • Regularly clean the earbuds and charging case with a soft, dry cloth.
  • Remove earbud tips and clean them with mild soap and water if necessary, ensuring they are completely dry before reattaching.
  • Gently clean the charging contacts on both the earbuds and the case to ensure proper charging.

Storage

When not in use, store the earbuds in their charging case to protect them and ensure they remain charged.

Water Resistance (IPX4 Rating)

The LinkBuds Fit earbuds have an IPX4 rating, meaning they are protected against sweat and splashes of water from any direction. This makes them suitable for workouts and outdoor activities. Note: The charging case is not water-resistant.

Woman exercising while wearing white Sony LinkBuds Fit earbuds, highlighting IPX4 water resistance

Image: A user engaging in physical activity with LinkBuds Fit, demonstrating their sweat and splash resistance.

Troubleshooting

If you encounter issues with your LinkBuds Fit, try the following steps:

  • No Sound: Ensure earbuds are charged, properly paired, and volume is adjusted on both the earbuds and your connected device.
  • Cannot Pair: Make sure the earbuds are in pairing mode. Turn off and on Bluetooth on your device. Try forgetting the device and re-pairing.
  • Poor Sound Quality: Check earbud fit and try different sized ear tips. Ensure there are no obstructions in the earbud nozzles.
  • Noise Canceling Not Effective: Ensure earbuds are properly seated in your ears. Adjust settings in the Sony | Headphones Connect app.
  • Earbuds Not Charging: Ensure charging contacts on both earbuds and case are clean and dry. Check USB cable connection.

For more detailed troubleshooting, refer to the Sony | Headphones Connect app or the official Sony support website.

Specifications

FeatureSpecification
Model NameLinkBuds Fit
Item Model NumberWFLS910NB.UC
Noise ControlActive Noise Cancellation
Connectivity TechnologyBluetooth 5.3
Bluetooth Range10 Meters
Battery Life (Earbuds)Up to 5.5 Hours
Battery Life (with Case)Up to 15.5 Hours (additional)
Quick Charge5 minutes charge for up to 60 minutes playback
Water Resistance LevelIPX4 (Earbuds only)
Item Weight10 Grams (earbuds)
MaterialPlastic (made with recycled materials)
Audio Driver TypeDynamic Driver
Audio Driver Size8.4 Millimeters
Frequency Range20 Hz - 20,000 Hz
Impedance11 Ohm

Warranty and Support

Your Sony LinkBuds Fit are covered by a manufacturer's warranty. For specific warranty terms, registration, and support, please visit the official Sony support website or contact Sony customer service. Keep your proof of purchase for warranty claims.

Online Support: www.sony.com/electronics/support