Reduce Noise By Up to 98.5%

Liberty 4 NC noise cancelling earbuds have a high sensitivity in-ear sound sensor,

an oversized driver,

and an innovative noise isolation chamber that cancels up to 98.5% of noise for peaceful travel.

Noise Cancelling Adapts to Ears and Environments

Adaptive ANC 2.0 makes real-time calculations and adjusts to your ear canals and external environment

for maximum quiet amongst the hustle and bustle.

Crisp Sound with 3× More Detail

11mm custom-tuned drivers deliver consistently crisp and detailed sound.

Experience Hi-Res wireless audio and LDAC technology that transfers 3× more data than regular Bluetooth

—bringing wireless music to life.

10H/50H Worry-Free Battery

A single charge is enough to enjoy uninterrupted entertainment for a trip across the US.

Pack Liberty 4 NC for your next adventure and listen to 1,000 tracks or

watch 30 movies back-to-back with no battery anxiety.

6-Mic AI Clear Calls

Don't be that person who shouts over the phone.

6 beamforming mics and an AI algorithm amplify your voice while reducing background noise,

so you can talk on the phone without the whole car listening.

Advanced Noise Cancelling System

Control Your Soundscape

Take control of your ambient sound with 5 levels of noise cancelling,2 transparency modes,

and 4 modes for plane,train,bus,and taxi travel.

Ultra-Long Battery Life

Get non-stop entertainment with 10-hour palytime 50 hours with the case,

10 minutes of fast charging for 4 hours of music,and wireless charging.

IPX4 Water-Resistant

Don't let a sudden downpour or an accidental spill ruin your commute.

Liberty 4 NC wireless noise cancelling earbuds come with IPX4 water-resistance

to give you peace of mind during your travels.

Designed for Simple Connections

Liberty 4 NC enables quick, effortless Bluetooth pairing with Android devices,

auto-play and pause on wear, and multi-point connection with Bluetooth 5.3.

What's in the Box

Specifications

• Material
  Plastic
  Battery Capacity[mAh]
  53mAh*2 800mAh
• Battery life up to[hours]
  10-50hr
  Voice assistant built-in
  no
• Sound Isolating
  YES
  Category
  Earphones & Headphones
• Earcups Type
  Sealed
  Max Output
  5mW
• Number Of Drivers
  2
  Charging Method
  Charging case
• Headphone Pads Material
  Silicone
  Magnet Type
  Other
• Impedance Range
  up to 32 Ω
  Bluetooth Version
  5.3
• Package List
  Charging case,USB Type-C Adapter,Replaceable Pads Set
  Features
  With Microphone,Active Noice Cancelling
• Codecs
  sbc
  With Microphone
  Yes
• Is wireless
  Yes
  Support APP
  Yes
• Support Memory Card
  No
  Waterproof
  Yes
• Resistance
  10Ω
  Line Length
  0m
• Frequency Response Range
  20 - 40000Hz
  Plug Type
  Line Type
• Active Noise-Cancellation
  Yes
  Volume Control
  Yes
• Control Button
  No
  Vocalism Principle
  Hybrid Technology
• Wireless Type
  bluetooth
  Connectors
  Type c
• Communication
  Wireless
  Style
  In-ear
• Certification
  CE,FCC
  Origin
  Mainland China
• Brand Name
  ANKER
  Certificate
  CE Certificate