{"product_id":"bluetooth-5-3-self-adjusting-sound-amplifier-earbuds-invisible-tws","title":"Fanmuran Bluetooth 5.3 Invisible Sound Amplifier Earbuds","description":"\n\u003cp\u003eExperience clearer, more vibrant sound with the \u003cstrong\u003eFanmuran Bluetooth 5.3 Self-Adjusting Sound Amplifier Earbuds\u003c\/strong\u003e — an invisible, in-ear personal sound amplifier that doubles as a full-featured Bluetooth earphone. Designed for effortless daily use, these discreet TWS earbuds require zero manual calibration after startup, making them ideal for seniors and anyone who wants better audio clarity right out of the box.\u003c\/p\u003e\n\n\u003cp\u003ePowered by advanced multi-channel digital chip technology, these earbuds intelligently filter background noise across multiple frequency bands for a richer, more three-dimensional listening experience. The large diaphragm delivers up to 3× enhanced sound amplification, while the real copper ring (F8) speaker ensures warm, stable audio reproduction whether you're having a conversation, watching TV, or enjoying music.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZero-Setup Auto Adjustment:\u003c\/strong\u003e Simply power on and go — no manual debugging or calibration needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Channel Digital Noise Filtering:\u003c\/strong\u003e Advanced chip reduces background noise across different frequency bands for cleaner, clearer audio.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3× Enhanced Sound Amplification:\u003c\/strong\u003e Large diaphragm design delivers more immersive, three-dimensional sound quality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 5.3 Wireless:\u003c\/strong\u003e Enjoy a stable, low-latency connection up to 10–15 metres for calls, music, and media.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Purpose Design:\u003c\/strong\u003e Functions as both a personal sound amplifier and a Bluetooth earphone — perfect for phone calls, music, and movies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEco-Friendly Silicone Eartips:\u003c\/strong\u003e Soft, body-safe silicone reduces feedback whistling and gently protects the ear canal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDaily Waterproof:\u003c\/strong\u003e Splash and sweat resistant for everyday use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Battery Life:\u003c\/strong\u003e Up to 5 hours of listening or call time per charge; full charge in approximately 1 hour.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Compact, invisible in-ear design fits both ears comfortably.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 4 Colours:\u003c\/strong\u003e Black, Gold, Pink, and White.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PC + ABS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Protocol:\u003c\/strong\u003e 5.3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeaker:\u003c\/strong\u003e F8 Real Copper Ring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransmission Range:\u003c\/strong\u003e 10–15 m\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Capacity:\u003c\/strong\u003e 35 mAh\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharging Interface:\u003c\/strong\u003e Android (Micro-USB)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharging Time:\u003c\/strong\u003e ~1 hour\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eListening \/ Call Time:\u003c\/strong\u003e ~5 hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 32 Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 20 Hz – 20 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 115 dB\/mW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e Daily waterproof (splash resistant)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 2.2 × 1.5 × 1 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Black, Gold, Pink, White\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Sound Amplifier Earbud\u003c\/li\u003e\n  \u003cli\u003e1 × Charging Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please allow ±1–2 cm variance due to manual measurement. Actual colour may vary slightly from images depending on your display settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eLooking for more great audio and electronics? Check out these related products:\u003cbr\u003e\n\u003ca href=\"\/products\/1-32-inch-amoled-smart-watch-bluetooth-call-fitness-tracker-ios-android\"\u003e1.32\" AMOLED Smart Watch – Bluetooth Call, Fitness \u0026amp; Health Tracker\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"\/products\/1-2m-carbon-fiber-invisible-selfie-stick-monopod-dji-insta360-gopro\"\u003e1.2M Carbon Fiber Invisible Selfie Stick for DJI \u0026amp; Insta360\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003eFor more information on how personal sound amplifiers work and how they differ from regulated hearing devices, visit the U.S. Food \u0026amp; Drug Administration: PSAPs vs. Hearing Aids.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Apple_headphones\" target=\"_blank\" rel=\"noopener\"\u003eApple headphones\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What is the difference between this Bluetooth sound amplifier and a medical hearing aid?\u003c\/h4\u003e\n\u003cp\u003eA: This Fanmuran Bluetooth 5.3 device is a Personal Sound Amplifier Product (PSAP) — a consumer electronic that amplifies environmental sounds for people with typical hearing who want enhanced audio clarity. It is not a prescription medical hearing aid. For advice on regulated hearing devices, please consult a licensed audiologist or healthcare provider. The FDA provides a helpful comparison at fda.gov.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the battery last and how do I charge it?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in 35 mAh battery provides approximately 5 hours of continuous listening or call time on a single charge. Charging takes roughly 1 hour using the included Android (Micro-USB) charging cable.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this device for making phone calls and listening to music as well?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely! Thanks to Bluetooth 5.3 connectivity with a range of up to 15 metres, these earbuds seamlessly pair with smartphones, tablets, and other Bluetooth-enabled devices for hands-free calls, music streaming, and watching videos — in addition to their sound amplification function.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is it waterproof and can I wear it during light activity?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The earbuds feature daily waterproof protection, making them splash and sweat resistant for everyday activities. They are not designed for submersion in water.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does it take to adapt to using this sound amplifier?\u003c\/h4\u003e\n\u003cp\u003eA: Most users find it helpful to allow approximately four weeks to fully adjust to the amplified sound environment. Start with shorter sessions and gradually increase wear time as you become accustomed to the enhanced audio experience.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between this Bluetooth sound amplifier and a medical hearing aid?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This Fanmuran Bluetooth 5.3 device is a Personal Sound Amplifier Product (PSAP) — a consumer electronic that amplifies environmental sounds for people with typical hearing who want enhanced audio clarity. It is not a prescription medical hearing aid. For advice on regulated hearing devices, please consult a licensed audiologist or healthcare provider. 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Start with shorter sessions and gradually increase wear time as you become accustomed to the enhanced audio experience.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Gadgets \u0026 Audio\", \"item\": \"https:\/\/oasis-select.com\/collections\/gadgets-audio\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Fanmuran Bluetooth 5.3 Invisible Sound Amplifier Earbuds\", \"item\": \"https:\/\/oasis-select.com\/products\/bluetooth-5-3-self-adjusting-sound-amplifier-earbuds-invisible-tws\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Gold","offer_id":47755153637481,"sku":"14:350850","price":60.71,"currency_code":"USD","in_stock":true},{"title":"black","offer_id":47755153670249,"sku":"14:193","price":60.71,"currency_code":"USD","in_stock":true},{"title":"WHITE","offer_id":47755153703017,"sku":"14:29","price":60.71,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":47755153735785,"sku":"14:1052","price":60.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S9ae7bcf2c95344f582629ef94537ac33O.webp?v=1783267201","url":"https:\/\/oasis-select.com\/products\/bluetooth-5-3-self-adjusting-sound-amplifier-earbuds-invisible-tws","provider":"Oasis Select","version":"1.0","type":"link"}