Oteeto wireless EARBUDS with MP3 Storage Model ANC02

📋 SPECIFICATION

• 🏷️ Brand: Soundcore by Anker
• 🎧 Model: Liberty 4
• 🎧 Product Type: True Wireless Stereo Earbuds
• 🔊 Driver Technology: ACAA 3.0
• 🎵 Driver Configuration: Dual Dynamic Drivers
• 🎶 Audio Certification: Hi-Res Audio Wireless
• 🎼 Supported Codecs: LDAC, AAC, SBC
• 🔇 Noise Cancellation: Adaptive Active Noise Cancellation
• 🌐 Spatial Audio: 360° Spatial Audio
• 🎬 Spatial Audio Modes: Music & Movie
• 🎯 Head Tracking: Supported
• ❤️ Health Sensor: In-Ear Heart Rate Sensor
• 🎙️ Microphones: 6 Microphones with AI Processing
• 🔵 Bluetooth Version: 5.3
• 🔄 Multipoint: Dual-Device Connection
• 🔋 Earbud Playback: Up to 9 Hours with ANC Off
• 🔋 Total Battery Life: Up to 28 Hours with Charging Case
• ⚡ Fast Charging: 15 Minutes for Up to 3 Hours Playback
• 🔌 Charging Port: USB Type-C
• ⚡ Wireless Charging: Supported
• 👂 Ear Tips: CloudComfort Dual-Layer Ear Tips
• 📱 Companion App: Soundcore App
• 💧 Water Resistance: IPX4 Earbuds
• 📱 Compatibility: Android, iOS & Bluetooth-Enabled Devices

Battery performance varies depending on volume, ANC settings, LDAC, Spatial Audio and usage conditions.

🔊 ACAA 3.0 DUAL DYNAMIC DRIVER TECHNOLOGY

Experience premium sound with ACAA 3.0 Coaxial Acoustic Architecture, combining two dynamic drivers within each earbud.

This innovative driver configuration is engineered to provide:

• 🔊 Deep & Powerful Bass
• 🎤 Clear Vocal Reproduction
• 🎶 Detailed High Frequencies
• 🎵 Balanced Music Playback
• 🎬 Immersive Entertainment Audio

Enjoy excellent sound separation and detailed audio across different music genres.

🎶 HI-RES AUDIO WIRELESS WITH LDAC

The Soundcore Liberty 4 supports Hi-Res Audio Wireless and LDAC technology, allowing high-quality wireless audio transmission with compatible devices.

LDAC supports higher audio data transmission rates than conventional Bluetooth codecs under suitable conditions.

Perfect for listeners who appreciate detailed music reproduction and premium wireless sound.

LDAC requires a compatible source device and supported Bluetooth settings.

🔇 ADAPTIVE ACTIVE NOISE CANCELLATION

Enjoy a quieter listening experience with Adaptive Active Noise Cancellation, designed to reduce unwanted environmental sounds.

The system adjusts noise cancellation according to your surroundings and listening conditions.

Ideal for:

• ✈️ Travelling
• 🚗 Commuting
• 💻 Office Work
• 📚 Studying
• 🏠 Home Listening
• 🎵 Music Enjoyment

Noise cancellation performance depends on the environment and earbud fit.

🌐 360° SPATIAL AUDIO WITH DUAL MODES

Experience immersive audio with 360° Spatial Audio, designed to create a wider, more engaging listening environment.

Choose between:

• 🎵 Music Mode – Designed for immersive music listening
• 🎬 Movie Mode – Designed for cinematic entertainment

Dynamic head tracking adjusts the perceived sound direction as you move your head, creating a more realistic spatial listening experience.

❤️ BUILT-IN HEART RATE SENSOR

The Soundcore Liberty 4 features an integrated in-ear heart rate sensor, allowing users to monitor their heart rate during supported activities.

Through the Soundcore app, compatible health and fitness features can provide additional information about your activity.

Ideal for:

• 🚶 Walking
• 🏃 Running
• 💪 Fitness Activities
• 🏋️ Gym Workouts
• ❤️ General Heart Rate Monitoring

Important: The heart rate sensor is intended for general wellness and fitness use. It is not a medical device and should not be used for medical diagnosis or treatment.

🎙️ SIX MICROPHONES WITH AI NOISE REDUCTION

Featuring six microphones and AI-assisted noise reduction, the Liberty 4 is designed to improve voice clarity during calls.

The microphone system helps distinguish your voice from surrounding background noise.

Ideal for:

• 📞 Phone Calls
• 💻 Online Meetings
• 📱 Voice Communication
• 🚶 Calls While Walking
• 🏠 Home & Office Use

🔋 UP TO 28 HOURS BATTERY LIFE

Enjoy extended wireless listening with up to 28 hours of combined playback using the charging case.

• 🔋 Up to 9 Hours – Earbuds with ANC Disabled
• 🔋 Up to 28 Hours – Combined with Charging Case
• ⚡ 15 Minutes Charging – Up to 3 Hours Playback

Battery life may be reduced when using Active Noise Cancellation, LDAC or Spatial Audio.

⚡ FAST CHARGING & WIRELESS CHARGING

Recharge the Liberty 4 conveniently using the USB-C charging case.

The charging case also supports compatible wireless charging pads for additional convenience.

Fast charging allows you to enjoy more listening time with a short charging session.

👂 CLOUDCOMFORT EAR TIPS

Designed for comfortable everyday listening, the Liberty 4 features CloudComfort dual-layer ear tips.

These soft ear tips are designed to provide a secure fit while helping reduce pressure during extended listening sessions.

Suitable for commuting, studying, travelling and entertainment.

🔵 BLUETOOTH 5.3 & MULTIPOINT CONNECTION

Enjoy reliable wireless connectivity with Bluetooth 5.3.

Multipoint connectivity allows the earbuds to connect to two compatible devices, making it easier to switch between work and entertainment.

Compatible with:

• 📱 Apple iPhone
• 📱 Android Smartphones
• 💻 Windows Laptops
• 🍎 Mac Computers
• 📲 Tablets
• 🎵 Compatible Bluetooth Audio Devices

Some advanced audio features and codecs may be limited when multipoint mode is enabled.

🎚️ SOUNDCORE APP CUSTOMISATION

Personalise your listening experience using the Soundcore App.

Supported functions include:

• 🎵 HearID Personalised Sound
• 🎚️ Equaliser Adjustments
• 🔇 Noise Cancellation Controls
• 🌐 Spatial Audio Settings
• ❤️ Heart Rate Monitoring
• 👂 Earbud Fit Testing
• 🎮 Control Customisation
• 🔄 Firmware Updates

Available functions may vary depending on the connected device and app version.

💧 IPX4 WATER RESISTANCE

The Liberty 4 earbuds feature IPX4 water resistance, providing protection against splashes and sweat during everyday activities.

Suitable for:

• 💪 Gym Sessions
• 🚶 Walking
• 🏃 Light Running
• 🏠 Everyday Activities
• 🌦️ Light Rain Exposure

Important: The earbuds are not waterproof and should not be submerged. The charging case should be kept dry.

📦 WHAT’S INCLUDED

• 🎧 1 × Pair of Soundcore Liberty 4 Wireless Earbuds
• 🔋 1 × Charging Case
• 👂 CloudComfort Ear Tips in Multiple Sizes
• 🔌 1 × USB-C Charging Cable
• 📖 User Guide & Product Documentation