Anker A3909G21 Liberty 2 Pro Headset A3909G21

The world�s first earphones to utilize the Astria Coaxial Acoustic Architecture. Endorsed by 10 Grammy-Award winning audio producers.

Deeper Bass

An oversized 11mm driver provides stunning power to the low end while adding bass punch with real impact to fuse your audio with irresistible intensity.

Sparkling Treble

A customized Knowles balanced armature driver produces intricate detail and high-end for balanced and deeply nuanced listening.

Harmonized Sound

A dynamic driver and balanced armature driver aligned coaxially; treble inside bass, direct-to-ear. The result is completely natural sound with minimum interference or distortion.

Expansive Soundstage

Every instrument is presented perfectly across an expansive soundstage for a stunning representation of what the sound engineer and artist dreamed you would hear.

Soundcore App

Use the app to enhance your listening experience�choose from 22 EQ settings, use HearID to create your own personalized sound profile, or totally customize the EQ. Other functions include adjusting on-ear controls and easy firmware updates.

Single-Ear Listening

Thanks to Liberty 2 Pro�s independent connectivity, it is possible to listen via either the left or right channel individually.

Versatile Charging

Charge the charging case via fast-charge USB-C or a Qi-certified wireless charger. 10 minutes in the charging case provides up to 2 hours of listening.

Universal Comfort

A plethora of liquid-silicone eartips and ear wings ensures sublime comfort for any ear.

Simple Secure Fit

Get a confident and satisfying fit in only 3 steps.

Battery



Battery operated



Yes


Battery recharge time



1.5 Hour


Battery recharge time (charging case)



2 Hour


Battery type



Built-in battery


Charging source



USB


Continuous audio playback time (with charging case)



32 Hour


Fast charging



Yes


Fast charging time



10 min


Input current (charging case)



0.5 A


Input current (earpieces)



0.065 A


Input voltage (earpieces)



5 V


Headphones



Driver type



Balanced + Dynamic


Driver unit



1.1 cm


Ear coupling



Intraaural


Headphone frequency



20 - 20000 Hz


Impedance



8 ?


Maximum input power



5 Milliwatt


Noise canceling



Yes


Microphone



Microphone type



Built-in


Number of microphones



4


Package dimensions



Gross Weight (Package, kg)



0.13 kg


Performance



Control type



Buttons


Headset type



Binaural


LED indicators



Y, Yes


Operating keys



Bluetooth pairing, Play/Pause, Track , Track , Volume +, Volume -


Product colour



White


Product type



Headset


Recommended usage



Calls/Music


Volume control



Button


Wearing style



In-ear


Ports & interfaces



3.5 mm connector



No


Bluetooth



Yes


Bluetooth version



5.0


Connectivity technology



Wireless


USB connectivity



Yes


USB connector



USB Type-C


Wireless range



10 m


Product dimensions



Net Weight (Product, kg)



0.1 kg


Vendor information



Brand Name


Anker


Warranty



1 Year(s)