{"indrexa_id":"b0ab3e8a-fc87-5bb2-8efa-cad06dfb3c3d","category_id":"wireless_earbuds","product_title":"EarFun Free 2S Wireless Earbuds, [Upgraded Version] Bluetooth Earbuds with Deep Bass, 4 Mics for Clear Call, Customizable EQ App, IPX7 Waterproof in-Ear Headphones, 30H Playtime, Wireless Charging","brand":"EarFun","upc":null,"asin":"B0CJM5F4QX","semantic_description":"The EarFun Free 2S are budget-tier true wireless earbuds priced at $39.99, featuring a 7mm composite dynamic driver, IPX7 waterproofing, and 7 hours of earbud battery life with 30 hours total via the wireless-charging case. They include 4 microphones for call clarity, customizable EQ and touch controls via the EarFun app, and a 10-minute quick-charge feature. Some users report reliability issues with the right earbud and inconsistent Bluetooth connectivity, which is worth considering.","best_for_summary":"Best for budget-conscious casual listeners and fitness enthusiasts who want IPX7-waterproof earbuds with strong bass, long battery life, and app-based EQ customization without spending more than $40.","not_ideal_for":["Users who need active noise cancellation","Those requiring highly reliable Bluetooth for critical use cases","Audiophiles seeking lossless or high-resolution audio"],"use_case_tags":["budget-friendly","calls","gym","running","workout"],"buyer_profile_tags":["budget-conscious","fitness-focused","casual-listener"],"manufacturer_description":"Powerful Bass, Detailed Sound. EarFun Free 2S wireless earbuds was highly picked as \"The Best Budget Wireless Earbuds\" by Wirecutter. The 7mm composite dynamic driver ensures powerful bass and detailed mids and treble, providing a high-quality, fully comprehensive music experience.4 Mics for Hands-free Calling Equipped with 4 built-in microphones, the true wireless earbuds accurately capture specific frequencies of your voice, minimize the background noise extraneously, and pick up human voice. You can stay comfortable and speak clearly, even outdoors.EarFun App for Tailoring Sound. Download the EarFun App, more personalized settings and features can be found here, such as multi-EQ adjustment for your preference, customized touch control, battery display, and more. And you can turn on the game mode on the App to get a lower latency experience.Listen All Day, Charge in Minutes. The true wireless earbuds last for 7 hours of playtime on single charge and total of 30 hours with charging case. A quick 10-minute charge provide 2 hours of listening when you’re in a rush. And the wireless charge provides a convenient charging way with no wired attached.Ergonomic Design, Comfort in Mind. The lightweight Bluetooth earbuds have an ergonomic design, offer a more weightless and comfortable wearing experience to deeply enjoy music all day. Besides, IPX7 waterproof earbuds allow you no fear of rain and sweat.","feature_bullets":["Powerful Bass, Detailed Sound. EarFun Free 2S wireless earbuds was highly picked as \"The Best Budget Wireless Earbuds\" by Wirecutter. The 7mm composite dynamic driver ensures powerful bass and detailed mids and treble, providing a high-quality, fully comprehensive music experience.","4 Mics for Hands-free Calling Equipped with 4 built-in microphones, the true wireless earbuds accurately capture specific frequencies of your voice, minimize the background noise extraneously, and pick up human voice. You can stay comfortable and speak clearly, even outdoors.","EarFun App for Tailoring Sound. Download the EarFun App, more personalized settings and features can be found here, such as multi-EQ adjustment for your preference, customized touch control, battery display, and more. And you can turn on the game mode on the App to get a lower latency experience.","Listen All Day, Charge in Minutes. The true wireless earbuds last for 7 hours of playtime on single charge and total of 30 hours with charging case. A quick 10-minute charge provide 2 hours of listening when you’re in a rush. And the wireless charge provides a convenient charging way with no wired attached.","Ergonomic Design, Comfort in Mind. The lightweight Bluetooth earbuds have an ergonomic design, offer a more weightless and comfortable wearing experience to deeply enjoy music all day. Besides, IPX7 waterproof earbuds allow you no fear of rain and sweat."],"spec_table":[{"field":"Brand","value":"EarFun"},{"field":"Color","value":"Black"},{"field":"Ear Placement","value":"In Ear"},{"field":"Form Factor","value":"In Ear"},{"field":"Impedance","value":"32 Ohms"}],"bought_in_past_month":null,"variants":["B0CJM5F4QX","B07R5MKX3K"],"shipping_amount":"FREE","manufacturer":"EarFun","climate_pledge_friendly":false,"category_specs":{"is_multipoint":false,"is_stem_design":false,"has_touch_controls":true,"has_transparency_mode":false,"has_wireless_charging":true,"case_battery_life_hours":30,"has_ear_tips_multiple_sizes":false,"has_active_noise_cancellation":false},"review_intelligence":{"total_reviews":14791,"average_rating":4.2,"rating_distribution":{"1_star":"6%","2_star":"5%","3_star":"9%","4_star":"20%","5_star":"60%"},"top_positive_themes":["Sound quality (2,000)","Value for money (1,200)","Quality (1,100)","Battery life (1,100)","Fit (926)","Comfort (484)"],"top_negative_themes":[],"top_mixed_themes":["Reliability (666)","Connectivity (643)"],"review_summary":"Customers find these wireless earbuds to be good value for money, with positive feedback about their sound quality, battery life, and snug fit that prevents them from falling out. Customers describe them as extremely comfortable. The reliability and connectivity receive mixed reviews - while some say they work well, others report issues with the right earbud stopping working and unreliable Bluetooth connections.","reliability_score":"mixed"},"best_offer":{"retailer":"amazon","retailer_id":"B0CJM5F4QX","price_usd":39.99,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/earfun-free-2s-b0ab3e8a/amazon","in_stock":true,"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"},"all_offers":[{"retailer":"amazon","retailer_id":"B0CJM5F4QX","price_usd":39.99,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/earfun-free-2s-b0ab3e8a/amazon","in_stock":true,"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":"EarFun Free 2S Wireless Earbuds, [Upgraded Version] Bluetooth Earbuds with Deep Bass, 4 Mics for Clear Call, Customizable EQ App, IPX7 Waterproof in-Ear Headphones, 30H Playtime, Wireless Charging","brand":{"@type":"Brand","name":"EarFun"},"description":"The EarFun Free 2S are budget-tier true wireless earbuds priced at $39.99, featuring a 7mm composite dynamic driver, IPX7 waterproofing, and 7 hours of earbud battery life with 30 hours total via the wireless-charging case. They include 4 microphones for call clarity, customizable EQ and touch controls via the EarFun app, and a 10-minute quick-charge feature. Some users report reliability issues with the right earbud and inconsistent Bluetooth connectivity, which is worth considering.","sku":"b0ab3e8a-fc87-5bb2-8efa-cad06dfb3c3d","identifier":[{"@type":"PropertyValue","name":"asin","value":"B0CJM5F4QX"},{"@type":"PropertyValue","name":"indrexa_id","value":"b0ab3e8a-fc87-5bb2-8efa-cad06dfb3c3d"}],"offers":[{"@type":"Offer","url":"https://www.indrexa.com/go/earfun-free-2s-b0ab3e8a/amazon","priceCurrency":"USD","price":39.99,"availability":"https://schema.org/InStock","seller":{"@type":"Organization","name":"Amazon"}}],"additionalProperty":[],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.2,"reviewCount":14791}}}