{"indrexa_id":"e6b290c7-07bb-5b0c-9b6a-d1503d740d9b","category_id":"wireless_earbuds","product_title":"Wireless Earbuds Bluetooth Headphones, Ear Buds with Deep Bass, 40H Long Playtime, LED Power Display, IP7 in Ear Earphone with Mic for iPhone Android Phone Sports Workout, Black","brand":"HUIFU","upc":null,"asin":"B0F3CZM9DL","semantic_description":"The HUIFU T12 are budget-priced true wireless earbuds ($36.95) featuring Bluetooth 5.3, a 13.2mm quad-magnet dynamic driver with deep bass tuning down to 14Hz, and up to 40 hours total playtime (8 hours per charge plus a 500mAh charging case). They include touch controls, a built-in noise-filtering microphone, IP7 sweat resistance, and three ear tip sizes, making them well-suited for workouts, daily commutes, and casual calls. They lack active noise cancellation, wireless case charging, and multipoint pairing, which may limit appeal for office or premium-audio use cases.","best_for_summary":"Best for budget-conscious fitness enthusiasts who want sweat-resistant earbuds with deep bass, long battery life, and reliable call quality for everyday workouts and casual listening under $40.","not_ideal_for":["Users who need active noise cancellation for office or commuting environments","Those wanting multipoint pairing to switch between multiple devices","Audiophiles seeking high-fidelity or lossless audio performance"],"use_case_tags":["workout","running","gym","calls","budget-friendly"],"buyer_profile_tags":["fitness-focused","budget-conscious","casual-listener"],"manufacturer_description":"**40-Hour Extra-Long Battery Life Wireless Earbuds: Run a Marathon with Your Favorite Music!**： Enjoy 8 hours of music playback on a single charge, with the 500mAh charging case extending total usage time to an impressive 40 hours. A quick 15-minute charge provides 90 minutes of uninterrupted playback. Whether you're on the go, working, or relaxing, the T12 earbuds deliver exceptional audio quality without the hassle of frequent charging. True wireless freedom starts with battery freedom!**Latest Bluetooth 5.3 Technology: Instant Pairing, Ultra-Low Latency**： Equipped with the latest Bluetooth 5.3 chip and flash-pairing technology, the T12 doubles signal transmission speed, improves sound fidelity by 50%, and virtually eliminates audio-video latency. Enjoy a stable connection within a 15-meter range, even in crowded environments. With the T12, you're always one step ahead!**Powerful Deep Bass: Immersive Sound, Heart-Pounding Beats**： Featuring a 13.2mm quad-magnet dynamic driver and professional acoustic tuning, the T12 delivers 30% more driving power and a low-frequency range down to 14Hz. Experience richer, purer, and more detailed audio that brings every note to life, immersing you in the music like never before.**Crystal-Clear Calls: Face-to-Face Clarity on the Go**： The T12 is equipped with a 3X larger microphone and a voice location algorithm that accurately filters background noise, improving voice pickup accuracy by 25%. Enhanced digital processing technology intelligently captures and optimizes audio signals for higher resolution and clearer calls. Stay connected with smooth, crystal-clear conversations, no matter where you are.**Smart Touch Control & IP7: Effortless Control, Rain or Sweat Proof**： Sensitive touch controls on both earbuds let you easily manage music playback, answer calls, adjust volume, or activate your voice assistant. With IP7-rated nano-coating, the T12 is protected against sweat, making it perfect for workouts, outdoor activities, and everyday use.**4.4g Lightweight Design: All-Day Comfort, Perfect Fit**： Weighing just 4.4g per earbud, the T12 comes with three sizes of soft ear tips (S/M/L) and 15 flexible contact points that conform to the contours of your ear canal, ensuring a secure and comfortable fit for 99% of users. The scientifically balanced design prevents slipping, making it ideal for running, exercising, traveling, or daily use.","feature_bullets":["**40-Hour Extra-Long Battery Life Wireless Earbuds: Run a Marathon with Your Favorite Music!**： Enjoy 8 hours of music playback on a single charge, with the 500mAh charging case extending total usage time to an impressive 40 hours. A quick 15-minute charge provides 90 minutes of uninterrupted playback. Whether you're on the go, working, or relaxing, the T12 earbuds deliver exceptional audio quality without the hassle of frequent charging. True wireless freedom starts with battery freedom!","**Latest Bluetooth 5.3 Technology: Instant Pairing, Ultra-Low Latency**： Equipped with the latest Bluetooth 5.3 chip and flash-pairing technology, the T12 doubles signal transmission speed, improves sound fidelity by 50%, and virtually eliminates audio-video latency. Enjoy a stable connection within a 15-meter range, even in crowded environments. With the T12, you're always one step ahead!","**Powerful Deep Bass: Immersive Sound, Heart-Pounding Beats**： Featuring a 13.2mm quad-magnet dynamic driver and professional acoustic tuning, the T12 delivers 30% more driving power and a low-frequency range down to 14Hz. Experience richer, purer, and more detailed audio that brings every note to life, immersing you in the music like never before.","**Crystal-Clear Calls: Face-to-Face Clarity on the Go**： The T12 is equipped with a 3X larger microphone and a voice location algorithm that accurately filters background noise, improving voice pickup accuracy by 25%. Enhanced digital processing technology intelligently captures and optimizes audio signals for higher resolution and clearer calls. Stay connected with smooth, crystal-clear conversations, no matter where you are.","**Smart Touch Control & IP7: Effortless Control, Rain or Sweat Proof**： Sensitive touch controls on both earbuds let you easily manage music playback, answer calls, adjust volume, or activate your voice assistant. With IP7-rated nano-coating, the T12 is protected against sweat, making it perfect for workouts, outdoor activities, and everyday use.","**4.4g Lightweight Design: All-Day Comfort, Perfect Fit**： Weighing just 4.4g per earbud, the T12 comes with three sizes of soft ear tips (S/M/L) and 15 flexible contact points that conform to the contours of your ear canal, ensuring a secure and comfortable fit for 99% of users. The scientifically balanced design prevents slipping, making it ideal for running, exercising, traveling, or daily use."],"spec_table":[{"field":"Brand","value":"HUIFU"},{"field":"Color","value":"D-charcoal"},{"field":"Ear Placement","value":"In Ear"},{"field":"Form Factor","value":"In Ear"},{"field":"Headphones Jack","value":"No Jack"}],"bought_in_past_month":null,"variants":null,"shipping_amount":null,"manufacturer":"Daximen (Shenzhen) Technology Co., Ltd.","climate_pledge_friendly":false,"category_specs":{"is_multipoint":false,"is_stem_design":false,"has_touch_controls":true,"has_transparency_mode":false,"has_wireless_charging":false,"case_battery_life_hours":40,"has_ear_tips_multiple_sizes":true,"has_active_noise_cancellation":false},"review_intelligence":{"total_reviews":320,"average_rating":4.4,"rating_distribution":{"1_star":"5%","2_star":"2%","3_star":"7%","4_star":"15%","5_star":"71%"},"top_positive_themes":["Sound quality (121)","Quality (78)","Value for money (71)","Battery life (66)","Fit (45)","Connectivity (43)","Performance (37)","Comfort (36)"],"top_negative_themes":[],"top_mixed_themes":[],"review_summary":"Customers find these wireless earbuds deliver great sound quality, with one noting the microphone picks up voice well. They are comfortable, fit easily in the ears, and stay securely in place during workouts. The earbuds connect easily to phones, and one customer mentions a 40-hour battery life with the charging case. Customers appreciate their reliable performance and consider them good value for the price.","reliability_score":"high"},"best_offer":null,"all_offers":[{"retailer":"amazon","retailer_id":"B0F3CZM9DL","price_usd":null,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/huifu-wireless-earbuds-bluetooth-headphones-e6b290c7/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":"Wireless Earbuds Bluetooth Headphones, Ear Buds with Deep Bass, 40H Long Playtime, LED Power Display, IP7 in Ear Earphone with Mic for iPhone Android Phone Sports Workout, Black","brand":{"@type":"Brand","name":"HUIFU"},"description":"The HUIFU T12 are budget-priced true wireless earbuds ($36.95) featuring Bluetooth 5.3, a 13.2mm quad-magnet dynamic driver with deep bass tuning down to 14Hz, and up to 40 hours total playtime (8 hours per charge plus a 500mAh charging case). They include touch controls, a built-in noise-filtering microphone, IP7 sweat resistance, and three ear tip sizes, making them well-suited for workouts, daily commutes, and casual calls. They lack active noise cancellation, wireless case charging, and multipoint pairing, which may limit appeal for office or premium-audio use cases.","sku":"e6b290c7-07bb-5b0c-9b6a-d1503d740d9b","identifier":[{"@type":"PropertyValue","name":"asin","value":"B0F3CZM9DL"},{"@type":"PropertyValue","name":"indrexa_id","value":"e6b290c7-07bb-5b0c-9b6a-d1503d740d9b"}],"offers":[{"@type":"Offer","url":"https://www.indrexa.com/go/huifu-wireless-earbuds-bluetooth-headphones-e6b290c7/amazon","priceCurrency":"USD","price":null,"availability":"https://schema.org/OutOfStock","seller":{"@type":"Organization","name":"Amazon"}}],"additionalProperty":[],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.4,"reviewCount":320}}}