Anker Soundcore Liberty 4 Pro True Wireless Earbunds white A3954Z21  

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Key Specs
Wearing Style
Dual Ear True Wireless Earbud
Earpiece Design
In-Ear (Intra-Aural)
Active Noise Cancellation
Yes
Frequency Response
14 Hz to 40 kHz
Built-In Controls
Yes: Play/Pause, Volume, Virtual Assistant
Sensors
Barometer
Noise Cancelling Microphone
Yes
Number of Voice Mics
6
Runtime
7.5 Hours (ANC On)
10 Hours (ANC Off)
Headphone
Wearing Style
Dual Ear True Wireless Earbud
Earpiece Design
In-Ear (Intra-Aural)
Open/Closed-Back
Closed-Back
Sound Field
Stereo
Number of Drivers
1 per Earpiece
Driver Type
Dynamic
Driver Size
0.4" / 10.5 mm
Impedance
15.3 Ohms
Active Noise Cancellation
Yes
Frequency Response
14 Hz to 40 kHz
Maximum Power Handling
20 mW
Volume Limiting / Child-Safe
No
Built-In Controls
Yes: Play/Pause, Volume, Virtual Assistant
Sensors
Barometer
Microphone
Built-In Mic
Yes
Noise Cancelling
Yes
Number of Voice Mics
6
Type
Electret Condenser
Connectivity
Wireless
Bluetooth 5.3
Wireless Range
32.8' / 10 m
Multipoint Support
No
Maximum Paired Devices
1
Wired Audio Connector
No Wired Audio Support
Mobile App Compatible
Yes: Android & iOS
App Name: soundcore
Functionality: Adjust Settings, Setup
Battery
Runtime
7.5 Hours (ANC On)
10 Hours (ANC Off)
Quick Charging Times
5 Minutes for 4 Hours
Recharge Time
1.5 Hour
Capacity (mAh)
56 mAh
Charging Case
Additional Runtime
30 Hours (ANC)
40 Hours (BT)
Recharge Time
2.5 Hours
Capacity
580 mAh
Charging Input
USB-C
Wireless Charging
No
Physical
Color
White
Environmental Resistance
Dust/Water-Resistant (IP55)