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  5. Soundcore

  6. Item#: 9SIACCUK6E4957

  • $49.99
  • $79.99
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    Top Rated
    4.6 (4,068 seller ratings)

    Shipped by Direct from manufacturerAnker Official Store

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    soundcore Liberty 4 NC Earbuds, 98.5% Noise Reduction, Adaptive Noise Cancelling, Hi-Res Sound, 50H Battery, Wireless Charging ,White (Renewed)

    REFURBISHED Product Type
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    • 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 Bluetoothbringing wireless music to life.
    • Sculpt Your Sound Profile: Not everyone listens the same, so use HearID 2.0 to find the perfect sound profile for you. If you want to mix it up, the EQ is fully adjustable or choose from 22 presets to match your audio.
    • 10H/50H Worry-Free Battery
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    Noise Isolation Chamber

    Carefully designed to work alongside the custom-made driver to reduce distortion, so opposite sound waves repel noise more accurately.

    11mm Oversized Driver

    Features a unique curved design and specialized material to counter louder ambient noises.

    High Sensitivity In-Ear Sound Sensor

    Picks up a wider range of sounds without distortion, so the algorithm can accurately identify and counter more types of external noises.

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    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 Bluetoothbringing wireless music to life.
    Sculpt Your Sound Profile: Not everyone listens the same, so use HearID 2.0 to find the perfect sound profile for you. If you want to mix it up, the EQ is fully adjustable or choose from 22 presets to match your audio.
    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.
    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.
    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.
    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.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

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    The renewed white Soundcore Liberty 4 NC are Bluetooth noise-cancelling earbuds with adaptive ANC, 11 mm drivers, and up to 10 hours of playback per charge (50 hours with the case in normal mode). They suit commuters and travelers who want adjustable noise cancellation and long battery life in a compact set.

    Recommended For

    • Commuters who want in-ear noise cancelling for bus, train, or flight noise, with adjustable ANC modes for different surroundings.
    • Android listeners who want to adjust the sound with the app’s EQ and use LDAC with a compatible device; LDAC is not available at the same time as multipoint.
    • Listeners who switch between a phone and a computer or tablet and value multipoint pairing for everyday audio, such as music and video.
    • Frequent travelers and long-listening users who prefer true-wireless earbuds with a charging case for extended use between charges; actual playtime varies with ANC, codec, volume, and content.

    Spec Summary

    AttributeValue
    Best ForIn-ear Bluetooth listening with active adaptive noise cancellation, portable playback, and calls supported by the listed talk-time battery life
    Audio And Noise Control11 mm dynamic drivers, 20 Hz–20 kHz frequency response, 10-ohm impedance, and 123 dB SPL sensitivity, with active adaptive noise cancellation
    Connectivity And ControlsBluetooth 5.3 wireless with a listed range of 10 meters, touch and media controls, multipoint pairing, and no headphone jack; compatible with Bluetooth-enabled devices
    Battery And ChargingLithium-polymer battery; up to 10 hours per charge and 50 hours with the case in normal mode, 8/40 hours with ANC, 6/30 hours with LDAC, 4/20 hours of talk time, and 23/115 hours of standby time. Earbuds: 0.212 Wh; case: 3.069 Wh. Supports fast and wireless charging
    Fit And DesignIn-ear rounded-tip design with water resistance; white finish and 54.96 g listed weight
    Model IdentifiersSoundcore Liberty 4 NC, model A3947; FCC ID 2AOKB-A3947