Experience the perfect blend of innovation, comfort, and premium sound with the Soundcore by Anker Liberty 4 SE True Wireless Earbuds. Designed for modern listeners, these earbuds feature Anker’s signature ACAA™ 2.0 coaxial dual-driver technology, delivering rich, detailed sound with deep bass and crisp highs across all genres. Whether you’re working, traveling, or training, the Liberty 4 SE ensures an immersive and balanced audio experience every time you press play.

Enjoy next-level realism with 3D Spatial Audio, creating a surround-sound listening environment that brings music, movies, and calls to life. The built-in Heart Rate Sensor provides real-time wellness tracking, giving you insight into your performance during workouts or daily routines—all directly from your ears.

Equipped with Active Noise Cancelling (ANC) technology, the Liberty 4 SE reduces unwanted background noise while maintaining natural sound quality, letting you focus on your world. When you need to stay aware, Transparency Mode allows external sounds in, keeping you connected to your surroundings.

Crafted for all-day comfort, these earbuds feature a sleek, lightweight design and an IPX4 water-resistance rating, protecting them from sweat and light rain. With up to 10 hours of battery life (and 50 hours total with the charging case), the Liberty 4 SE keeps your music going from morning to night. Fast charging ensures quick top-ups, while the wireless charging case adds convenience to your daily routine.

Available in Black, the Soundcore Liberty 4 SE combines cutting-edge features, smart health tracking, and superior audio quality—perfect for those who expect more from their wireless listening experience

Product Type: True Wireless In-Ear Bluetooth Earbuds
Model: Liberty 4 SE (A3953ZA1)
Brand: Soundcore by Anker

Audio Specifications
Driver Type: ACAA™ 2.0 (Astria Coaxial Acoustic Architecture) dual dynamic drivers
Driver Size: 10.6 mm coaxial drivers
Frequency Response: 20 Hz – 20 kHz
Impedance: 16 Ω
Sensitivity: 96 dB SPL

Audio Features:
3D Spatial Audio for immersive listening
Adaptive ANC (Active Noise Cancelling)
HearID™ personalized sound profile
Transparency Mode for ambient awareness
Hi-Res Wireless Audio with LDAC codec support
Microphones: 6-mic array with AI noise reduction for crystal-clear calls

Connectivity & Controls
Bluetooth Version: 5.3
Bluetooth Range: Up to 33 ft (10 m)
Supported Codecs: SBC, AAC, LDAC
Profiles Supported: A2DP, AVRCP, HFP
Multi-Point Connectivity: Yes, connect to two devices simultaneously
App Support: Soundcore App for EQ customization, ANC control, and health monitoring
Controls: Touch-sensitive controls for playback, calls, ANC modes, and volume
Voice Assistant Support: Compatible with Siri and Google Assistant
Device Compatibility: iOS, Android, Windows, and Bluetooth-enabled devices

Battery & Power
Earbuds Battery Life (ANC on): Up to 8 hours
Earbuds Battery Life (ANC off): Up to 10 hours
Charging Case Battery Life: Additional 40 hours (total 50 hours)

Charging Time:
Earbuds: Approximately 1.5 hours
Charging Case: Approximately 2 hours via USB-C
Fast Charging: 15 minutes of charge provides up to 3 hours of playback
Charging Options: USB-C and Qi wireless charging
Battery Type: Rechargeable lithium-ion

Design & Build
Fit Type: In-ear with ergonomic design for secure and comfortable wear

Weight:
Earbuds: ~5.2 g each
Charging Case: ~48 g
Water Resistance: IPX4 (sweat and splash resistant)
Colors Available: Black
Materials: Premium matte finish with soft silicone ear tips (multiple sizes included)
Design Features: Lightweight, compact case with magnetic lid and secure charging slots

Health & Smart Features
Heart Rate Tracking: Built-in heart rate sensor with real-time data monitoring
Wellness Integration: Health data available via Soundcore app
Adaptive Sound: Automatic sound adjustment based on environment and activity

Additional Features
Noise Control Modes: Active Noise Cancelling, Transparency, Normal
Mono/Stereo Mode: Supports single-ear use
LED Indicators: Battery and connection status
Auto Play/Pause: Enabled via in-ear detection sensors

Included in Box:
Liberty 4 SE Earbuds
Wireless Charging Case
USB-C Charging Cable
Multiple Sizes of Ear Tips (S, M, L)
Quick Start Guide and Safety Information