{"product_id":"fosi-audio-im4-hifi-wired-earphones-open-back-dynamic-drivers-iem-headphones-for-music-monitoring-gaming-earbuds","title":"Fosi Audio IM4 Hifi Earphones","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eActive Noise-Cancellation\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eFosi Audio\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCategory\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEarphones \u0026amp; Headphones\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCommunication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWired\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eControl Button\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeatures\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDetachable Cable\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFrequency Response Range\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e20 - 20000\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFunction\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMonitor Headphone,for Video Game,Common Headphone,For Mobile Phone,HiFi Headphone,For Office,For DJ\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHeadphone Pads Material\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSilicone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eImpedance Range\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eup to 32 Ω\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eIs wireless\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMetal\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eNumber Of Drivers\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage List\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUser Manual,Replaceable Pads Set,Detachable Audio Cable\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePlug Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLine Type\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSensitivity\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e109\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSound Isolating\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eStyle\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWired in-ear headphones\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTotal Harmonic Distortion\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eVocalism Principle\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDynamic\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eVoice assistant built-in\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eVolume Control\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWaterproof\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWeight[g]\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e200\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWireless Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eBluetooth\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003e\u003cimg width=\"944\" height=\"393\" src=\"https:\/\/ae01.alicdn.com\/kf\/S86ca8e08ba984204958cb86ecf7dbc318.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eFeature\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e\u003cstrong\u003e1. Dual-Magnet Dual-Cavity Driver\u003c\/strong\u003e\u003cbr\u003eThe Fosi Audio IM4 features a dual-magnet dual-cavity driver that delivers great resolution and high impulse fidelity. This design ensures the purity of sound and a wide dynamic range, allowing you to enjoy the clarity and depth of every note.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e2. Open-Back Design\u003c\/strong\u003e\u003cbr\u003eThe open-back design of the IM4 creates an open, natural soundstage, ensuring that you won't experience fatigue even during extended listening sessions. This design makes music sound more natural and provides a more comfortable listening experience.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e3. Balanced Tuning across Genres\u003c\/strong\u003e\u003cbr\u003eCarefully tuned for long listening sessions with natural sound across various music genres, the IM4 delivers a natural sound that keeps your ears comfortable for hours. Whether it's pop, rock, or classical, it provides a balanced and enjoyable listening experience.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e4. Ergonomic Build for Comfort\u003c\/strong\u003e\u003cbr\u003eWeighing only 7 grams, the IM4 is designed with an ergonomic build ideal for all-day wear. Its lightweight design and comfortable earbuds ensure that you won't feel discomfort even after prolonged use.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e5. CNC Aluminum Alloy Housing\u003c\/strong\u003e\u003cbr\u003eThe IM4 features a CNC aluminum alloy housing that is not only refined in appearance but also skin-friendly with a premium texture. This high-quality material and craftsmanship ensure the durability and premium feel of the earphones.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eSpecifications\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;display:block;width:100%\" align=\"left\"\u003eShell Material：6063 CNC Aluminum Alloy\u003cbr\u003eDriver Unit：\u003cbr\u003e10 mm N52 Dual-Magnet \u003cbr\u003eDual-Cavity Dynamic Driver\u003cbr\u003eDiaphragm：PU Beryllium-coated Diaphragm\u003cbr\u003eSensitivity：109dB\/mW\u003cbr\u003eImpedance：21Ω\u003cbr\u003eFrequency Response：20Hz-20kHz\u003cbr\u003eCable：\u003cbr\u003e4-core 392-strand 5N OFC Silver-plated Copper Cable\u003cbr\u003eConnector：2-PIN 0.78mm\u003cbr\u003eAudio Jack：3.5 mm Gold-plated Plug\u003cbr\u003eWeight (per earbud)：7g ±0.5g\u003cbr\u003eWeight (incl. cable)：38g ±1g\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sbf71b37163254cb885412f39e8ebc828T.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1b78c897b6c6421e969ee02dfbb8e119B.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb4aa61c989d6452c98625063c5518d62w.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3166aa60812346228035a1ad77408a73v.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1a06604aa49e4d08bd4305f2cdf3469fj.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S91135f01b4e34d6aab545b4c23f72691q.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sad0f950f5a65469eb151e4d9d4aba891h.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se6cd62fcc50e42018ffdaf6325de6bd3a.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb27332ac89b94ff4b47f9fa506556225U.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S50dec77499b94529bd0685bb52b894db2.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S802429d068db4ef9bd4ba141712d27b7z.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S014ac50be44c49f2b18129022bc2b5729.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S79de3ad4d45244f39ae31c1be984302ab.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sbc799f4b269b4010a1fc145b233904472.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S9ade8c1e48a14edd80b156fdc6c3cc71v.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf73aa1baf15a4b3d86afa9ed1d20a319G.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S5d481c7ef78f412d8c7e4d0a1728c4e9r.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sa1ca002708eb4742a2df7a144124e68ag.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S91d255a632b24b5d85d0712a72e5b138Z.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S97fc77a8fe974f4f87e0c60b1ef4bc62c.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6751aff3365c4113bdd63abe9e7c1bc7Y.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sbedabbebf4224cff984e2533124a498eC.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Trendy","offers":[{"title":"Black \/ China Mainland","offer_id":47988869103754,"sku":"14:193#Black;200007763:201336100","price":118.99,"currency_code":"USD","in_stock":false},{"title":"IM4-DS3-Silver \/ China 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