Anker A3909Z11 SoundCore Liberty 2 Pro True Wireless Bluetooth 5 In-Ear Headphones with Charging Case

SKU# A3909Z11
MFR# A3909Z11
  • True Wireless Earphones
  • Bluetooth 5.0
  • Astria Coaxial Acoustic Architecture
  • 8-Hour Playtime
  • HearID Custom Sound
  • Quad-Microphone Calls
  • Soundcore App
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Astria Coaxial Acoustic Architecture: A state-of-the-art design which integrates a customized Knowles balanced armature and an 11mm dynamic driver. Astria completely eliminates interference while producing harmonized treble and bass for jaw-dropping sound.

In-Ear Studio Performance: Liberty 2 Pro true wireless earphones are recommended by 10 Grammy Award winning producers. Sound is delivered with impeccable depth and nuance; every instrument presented perfectly across an expansive soundstage.

8-Hour Playtime: And get 3 more full recharges from the charging case. Place the earbuds inside for only 10 minutes and get up to 2 hours of listening, then recharge the case via fast-charge USB-C or a Qi-compatible wireless charger.

HearID Custom Sound: To ensure everyone gets a perfect listening experience via Liberty 2 Pro true wireless earphones, HearID intelligently analyses your unique hearing profile and creates a tailor-made sound setup just for your ears.

Quad-Microphone Calls: With 4 microphones and cVc 8.0 noise reduction, your voice is isolated and transmitted in high-clarity for a seamless hands-free experience.

  • 5V 500mA
Rated Output Power
  • 5 mW @ 1% THD
Battery Capacity
  • 65 mA x 2 (earbuds); 500 mA (charging case)
Charging Time
  • 1.5 hours
Playtime (varies by volume level and content)
  • 8 hours (Totally 32 hours with the charging case)
  • Dynamic and Balanced Armature
Frequency Response
  • 20 Hz - 20 kHz
  • 8 Ω
Bluetooth Version
  • 5.0
Bluetooth Frequency
  • 2402-2480 MHz
Audio Codec Format
  • SBC, AAC, aptX
Bluetooth Range
  • 10 m / 33 ft 
Qualcomm aptX Technical specifications

Compression ratio:
  • 4:1
Word Depth:
  • Support 16bit and 24bit
Decoding Delay:
  • Sample rate 48kHz<2ms
Dynamic Range:
  • 16bit>92dB, 24bit>120dB
Data Rates:
  • 352kbps
Decode Mode:
  • Stereo

Ratings & Reviews