Bose SoundTrue Ultra In-Ear Manual

The Bose SoundTrue Ultra In-Ear headphones are designed for premium audio quality with enhanced comfort and noise isolation. Featuring StayHear+ tips for secure fit, inline remote and microphone for device control, and tangle-resistant cable. Below are key sections for safety, features, setup, operation, care, and troubleshooting.

1. Features at a Glance 2. Package Contents 3. Getting Started 4. Specifications 5. Controls and Functions 6. Wearing Your Headphones 7. Using the Inline Remote 8. Care & Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: StayHear+ tips, inline remote with microphone, tangle-resistant cable, carrying case.

Feature	Description
StayHear+ tips	Three sizes included for secure, comfortable fit and noise isolation
Inline remote and microphone	Control music, calls, and voice commands on compatible devices
Tangle-resistant cable	Reduced tangling for easy storage and use
Carrying case	Protects headphones when not in use
Audio quality	Enhanced bass and clear, balanced sound
Compatibility	Works with iOS, Android, and other devices with 3.5mm jack

Package Contents

Unpack and verify all items are included.

Bose SoundTrue Ultra In-Ear headphones
Three pairs of StayHear+ tips (S, M, L)
Carrying case
User manual
Warranty card

NOTE: Contact Bose support if any item is missing or damaged.

Getting Started

Prepare your headphones for first use.

Select appropriate StayHear+ tips: Try different sizes for best fit and seal.
Connect to device: Plug 3.5mm jack into audio port of smartphone, tablet, or computer.
Secure cable: Use shirt clip to reduce cable movement.
Test audio: Play music to ensure proper connection and sound quality.

WARNING! Do not insert eartips too deeply into ear canal. Ensure volume is at safe level.

Specifications

Driver Type: Dynamic
Frequency Response: 10 Hz – 20 kHz
Impedance: 32 ohms
Sensitivity: 115 dB SPL/mW
Cable Length: 1.2 m (47 in)
Connector: 3.5 mm (1/8 in) stereo plug
Weight: 14 g (0.5 oz)
Warranty: Limited 1-year warranty

Controls and Functions

Inline remote allows control of audio and calls.

Remote Buttons:

Center Button: Press to play/pause music or answer/end calls. Press twice to skip track.
Volume Up/Down: Adjust volume level.
Microphone: Built-in for calls and voice commands.

Compatibility: Full functionality with iOS devices; basic playback controls with Android and others.

Wearing Your Headphones

Proper fit ensures comfort and optimal sound.

Insert eartips: Gently twist eartips into ears until secure and sealed.
Route cable: Run cable behind neck or use shirt clip for stability.
Adjust cable slider: Move slider to reduce cable slack.
Check seal: Play music; if bass is weak, try different eartip size or reinsert.

Tip: For best noise isolation, choose eartips that fill ear canal without discomfort.

Using the Inline Remote

Control audio and calls on the go.

Action	Button Press
Play/Pause	Press Center Button once
Skip Track	Press Center Button twice quickly
Previous Track	Press Center Button three times
Answer Call	Press Center Button once
End Call	Press Center Button once
Decline Call	Press and hold Center Button
Volume Control	Press Volume Up or Down

NOTE: Functions may vary by device. Refer to device manual for compatibility.

Care & Maintenance

Proper care extends headphone life.

Cleaning: Wipe eartips and cable with dry, soft cloth. Do not use liquids.
Storage: Use carrying case to prevent tangling and damage.
Eartip Replacement: Replace eartips if they become worn or lose seal.
Cable Care: Avoid sharp bends, excessive pulling, or exposure to heat.

CAUTION! Do not immerse in water or use cleaning agents. Keep away from extreme temperatures.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC rules. Operation is subject to conditions: (1) device may not cause harmful interference, (2) device must accept any interference received. CE Mark: Conforms to European Union directives. Copyright © Bose Corporation. For support, visit www.bose.com/support or contact 1-800-999-2673.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound or low volume	Connection/volume settings	Ensure plug is fully inserted; increase volume on device; check eartip seal.
Intermittent audio	Loose connection/damaged cable	Check plug connection; inspect cable for damage; try different audio source.
Remote not working	Compatibility/device settings	Verify device compatibility; check device settings for headphone controls.
Poor call quality	Microphone blockage/position	Ensure microphone is not covered; position closer to mouth.
Discomfort or poor fit	Incorrect eartip size	Try different StayHear+ tip size; ensure proper insertion.

Reset: Disconnect and reconnect from device. Restart device if issues persist.

Service: 1-800-999-2673; www.bose.com/support