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.

Specification

Product
Product id	670167
Brand	Anker
Partnr	A3909G11
EAN/UPC code	848061061437
Performance
Product type	Headset
Wearing style	In-ear
Recommended usage	Calls/Music
Headset type	Binaural
Product colour	Black
Operating keys	Bluetooth pairing, Play/pause, Track <, Track >, Volume +, Volume -
Volume control	Button
Control type	Buttons
LED indicators	Y
Ports & interfaces
Connectivity technology	Wireless
USB connectivity	Y
USB connector	USB Type-C
Bluetooth version	5.0
Bluetooth	Y
Wireless range	10 m
Headphones
Maximum input power	5 mW
Ear coupling	Intraaural
Headphone frequency	20 - 20000 Hz
Impedance	8 Ohm
Driver type	Balanced + Dynamic
Driver unit	11 mm
Noise reduction	Y
Microphone
Microphone type	Built-in microphone
Number of microphones	4
Battery
Battery operated	Y
Battery type	Built-in battery
Battery life (max)	32 uur
Input voltage (earpieces)	5 V
Input current (earpieces)	0.5 A
Continuous audio playback time	8 uur
Continuous audio playback time (with charging case)	32 uur
Battery recharge time (charging case)	2 uur
Battery recharge time	1.5 uur
Quick charge	Y
Quick charge time	10 min
Charging source	USB