{"product_id":"shidu-sd-258-portable-voice-amplifier-10w-with-headset-mic-12hr-battery-aux-tf-playback","title":"SHIDU SD-258 Portable Voice Amplifier 10W with Headset Mic — 12hr Battery, AUX\/TF Playback","description":"\u003cp\u003e\u003cstrong\u003eThe SHIDU SD-258 is a compact 10W portable voice amplifier with headset mic that delivers clear sound for classrooms, tours, fitness classes and events without straining your voice.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis lightweight PA unit pairs an ergonomic headset microphone with a belt-clip speaker, supporting up to 12 hours of continuous voice use or 10 hours of music playback on a single charge. It accepts TF (microSD) cards and USB flash drives for background tracks, and also works as a wired speaker via a 3.5mm AUX input. Built to be durable and portable, it aims to make spoken-word projection effortless in rooms and outdoor settings.\u003c\/p\u003e\n\n\u003ch3\u003eHow loud and clear is the SHIDU SD-258 for teaching or guiding groups?\u003c\/h3\u003e\n\u003cp\u003eThe SD-258 produces a clean 10W output designed to carry a voice across large indoor spaces and open-air groups. Its circuitry minimizes distortion and whistling, focusing on intelligibility so listeners can hear words clearly at a distance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10W output power for wide coverage up to around 1100 m² (approx.)\u003c\/li\u003e\n  \u003cli\u003eNoise-reduction design to reduce hiss and feedback\u003c\/li\u003e\n  \u003cli\u003eSuitable for groups up to about 120 people in typical conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat battery life and playback options does it offer during long days?\u003c\/h3\u003e\n\u003cp\u003eThe integrated 1800mAh rechargeable battery supports roughly 12 hours of amplified speaking and about 10 hours when playing music, so it easily lasts through a full workday of instruction or guiding. A full recharge takes approximately 3–5 hours depending on the charger used.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1800mAh built-in battery for long sessions\u003c\/li\u003e\n  \u003cli\u003eTF (microSD) and USB flash drive music playback with loop and repeat functions\u003c\/li\u003e\n  \u003cli\u003eRechargeable via standard USB, quick 3–5 hour charge time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I connect other devices, and how flexible is the setup?\u003c\/h3\u003e\n\u003cp\u003eYes — the microphone jack doubles as an AUX input, allowing the unit to act as a wired speaker for phones, tablets or computers. The included headset keeps hands free while the detachable belt clip or waistband loop offers multiple carrying options for mobility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3.5mm AUX input for external audio sources\u003c\/li\u003e\n  \u003cli\u003eHeadset microphone for hands-free speaking and clear voice pickup\u003c\/li\u003e\n  \u003cli\u003eDetachable clip and waistband options for easy carrying\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and support can users expect?\u003c\/h3\u003e\n\u003cp\u003eThe SD-258 is built from wear-resistant materials that withstand daily handling and travel. SHIDU backs the product with a satisfaction policy, warranty coverage and lifetime technical support for purchasers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSturdy casing and components for regular professional use\u003c\/li\u003e\n  \u003cli\u003e30-day return policy and 36-month warranty for peace of mind\u003c\/li\u003e\n  \u003cli\u003eTips included to prevent microphone feedback during use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The SHIDU SD-258 is designed for teachers, tour guides, fitness instructors, coaches and presenters who need a lightweight, hands-free PA to project their voice without tiring. It also suits small-event hosts, group leaders and anyone who wants portable, reliable amplification with simple playback and long battery life.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does the battery last on a single charge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: About 12 hours for voice amplification and around 10 hours for music playback per full charge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I play background tracks from my phone?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — use the 3.5mm AUX input or insert a TF (microSD) card or USB drive for direct playback.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SHIDU","offers":[{"title":"Default Title","offer_id":48436880474269,"sku":"B07FLZPVG4","price":49.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/shidu-sd258-front-view.jpg?v=1781456325","url":"https:\/\/nexoltic.com\/products\/shidu-sd-258-portable-voice-amplifier-10w-with-headset-mic-12hr-battery-aux-tf-playback","provider":"Nexoltic","version":"1.0","type":"link"}