Soundcore Liberty 4 NC Wireless Earbuds - White | A3947
Connectivity:
Bluetooth 5.3 with LDAC codec
Battery Capacity:
Earbuds: 53mAh each
Charging Case: 800mAh
Charging Time:
Approximately 3 hours via USB-C; supports wireless charging
Playback Time:
Without ANC: Up to 10 hours per charge; 50 hours with charging case
With ANC: Up to 8 hours per charge; 40 hours with charging case
Fast Charging:
10 minutes of charging provides up to 4 hours of playback
Audio Drivers:
11mm custom-tuned drivers
Active Noise Cancellation:
Adaptive ANC 2.0 with real-time adjustments
Transparency Mode:
Multiple levels with optional wind noise reduction
Water Resistance:
IPX4 rating (splash and sweat resistant)
Microphones:
6 beamforming mics with AI algorithm for clear calls
Controls:
Touch controls with programmable functions via Soundcore app
Multipoint Connectivity:
Yes, supports simultaneous connection to two devices
App Support:
Soundcore app for EQ customization, HearID 2.0, and firmware updates
Weight:
Approximately 5.2g per earbud
Color:
White