{"indrexa_id":"ac65781f-d4cb-5c28-8e1a-56721e4d5ffe","category_id":"wireless_earbuds","product_title":"Soundcore by Anker Liberty 4 NC Wireless Earbuds, 98.5% Noise Reduction, Adaptive Noise Cancelling to Ears and Environment, Hi-Res Sound, 50H Battery, Wireless Charging, Bluetooth 5.3","brand":"Soundcore","upc":"194644126124 194644132125","asin":"B0BZV4QFP8","semantic_description":"The Soundcore Liberty 4 NC are mid-range wireless earbuds priced at $69.99, featuring Adaptive ANC 2.0 with up to 98.5% noise reduction, 11mm drivers with LDAC hi-res audio support, and up to 10 hours of earbud battery life (50 hours with the case). They include a 6-microphone array for calls, Bluetooth 5.3 with multipoint connection, wireless charging case, and IPX4 water resistance. Fit and comfort are inconsistent across users, and some report connectivity issues, making them a strong value pick but not universally reliable.","best_for_summary":"Best for budget-conscious commuters and travelers who want strong active noise cancellation, hi-res audio, and long total battery life at an affordable mid-range price point.","not_ideal_for":["Users needing a guaranteed secure or comfortable fit for extended wear","Those requiring a transparency/passthrough mode","Users who prioritize rock-solid Bluetooth connectivity above all else"],"use_case_tags":["commuting","travel","calls","noise-cancelling","budget-friendly"],"buyer_profile_tags":["commuter","budget-conscious","traveler"],"manufacturer_description":"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.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.Long-Lasting Battery Life: In normal mode, enjoy 10 hours of playback on a single charge or up to 50 hours with the case. With ANC on, get 8 hours between charges, extendable to 40 hours with the case.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.","feature_bullets":["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.","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.","Long-Lasting Battery Life: In normal mode, enjoy 10 hours of playback on a single charge or up to 50 hours with the case. With ANC on, get 8 hours between charges, extendable to 40 hours with the case.","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."],"spec_table":[{"field":"Brand","value":"Soundcore"},{"field":"Color","value":"Black"},{"field":"Ear Placement","value":"In Ear"},{"field":"Form Factor","value":"In Ear"},{"field":"Impedance","value":"10 Ohms"}],"bought_in_past_month":null,"variants":["B0BZV8HLX3","B0BZV6SYXQ","B0BZV7M23Q","B0BZV5MQKM","B0BZV4QFP8"],"shipping_amount":null,"manufacturer":"Anker","climate_pledge_friendly":true,"category_specs":{"is_multipoint":true,"is_stem_design":false,"has_touch_controls":false,"has_transparency_mode":false,"has_wireless_charging":true,"case_battery_life_hours":50,"has_ear_tips_multiple_sizes":false,"has_active_noise_cancellation":true},"review_intelligence":{"total_reviews":25885,"average_rating":4.2,"rating_distribution":{"1_star":"6%","2_star":"6%","3_star":"8%","4_star":"14%","5_star":"66%"},"top_positive_themes":["Sound quality (1,300)","Noise cancellation (792)","Quality (762)","Value for money (590)","Battery life (522)"],"top_negative_themes":[],"top_mixed_themes":["Fit (629)","Connectivity (426)","Comfort (395)"],"review_summary":"Customers find these earbuds have excellent noise cancellation, clear sound quality, and good value for money. The battery life is impressive, with quick charging capabilities, and customers consider them very good for their price point. The fit and comfort receive mixed feedback - while some say they stay securely in place and are comfortable for extended wear, others report them falling out and causing ear discomfort. Similarly, connectivity experiences are mixed, with some finding them easy to connect while others report constant disconnection issues.","reliability_score":"mixed"},"best_offer":null,"all_offers":[{"retailer":"amazon","retailer_id":"B0BZV4QFP8","price_usd":null,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/soundcore-by-anker-liberty-4-ac65781f/amazon","in_stock":false,"shipping":{"free_shipping_available":null,"free_shipping_note":null,"min_order_for_free_shipping":null},"last_updated":"2026-06-03T20:04:52.021051+00:00"}],"_llm_hints":{"best_offer_logic":"lowest price among in-stock offers","out_of_stock_offers_included":true,"use_affiliate_url":"always use affiliate_url field, never construct retailer URLs manually","shipping_note":"shipping costs are estimates only — final cost depends on user location and membership status","null_fields":"null spec or review fields mean data was unavailable from source — do not infer values","manufacturer_description":"brand's own product description — official copy from Amazon listing","feature_bullets":"array of manufacturer's bullet-point features from Amazon listing","spec_table":"raw structured spec table from Amazon — category-specific technical specs","bought_in_past_month":"Amazon demand signal — number of units sold in past 30 days","variants":"array of ASINs for color/size variants of this product","shipping_amount":"shipping cost signal — FREE indicates free shipping available","climate_pledge_friendly":"Amazon Climate Pledge Friendly badge — sustainability certification","data_freshness":"checked_at timestamp from most recent price record","best_offer_null_means":"all known offers are currently out of stock — check all_offers for availability"},"json_ld":{"@context":"https://schema.org","@type":"Product","name":"Soundcore by Anker Liberty 4 NC Wireless Earbuds, 98.5% Noise Reduction, Adaptive Noise Cancelling to Ears and Environment, Hi-Res Sound, 50H Battery, Wireless Charging, Bluetooth 5.3","brand":{"@type":"Brand","name":"Soundcore"},"description":"The Soundcore Liberty 4 NC are mid-range wireless earbuds priced at $69.99, featuring Adaptive ANC 2.0 with up to 98.5% noise reduction, 11mm drivers with LDAC hi-res audio support, and up to 10 hours of earbud battery life (50 hours with the case). They include a 6-microphone array for calls, Bluetooth 5.3 with multipoint connection, wireless charging case, and IPX4 water resistance. Fit and comfort are inconsistent across users, and some report connectivity issues, making them a strong value pick but not universally reliable.","sku":"ac65781f-d4cb-5c28-8e1a-56721e4d5ffe","identifier":[{"@type":"PropertyValue","name":"asin","value":"B0BZV4QFP8"},{"@type":"PropertyValue","name":"indrexa_id","value":"ac65781f-d4cb-5c28-8e1a-56721e4d5ffe"}],"offers":[{"@type":"Offer","url":"https://www.indrexa.com/go/soundcore-by-anker-liberty-4-ac65781f/amazon","priceCurrency":"USD","price":null,"availability":"https://schema.org/OutOfStock","seller":{"@type":"Organization","name":"Amazon"}}],"additionalProperty":[],"gtin":"194644126124 194644132125","aggregateRating":{"@type":"AggregateRating","ratingValue":4.2,"reviewCount":25885}}}