{"product_id":"zeta-120-multi-line-braille-display-4x30-120-braille-cells","title":"Zeta‑120 Multi‑line Braille Display｜4×30, 120 Refreshable Braille Cells","description":"\u003ch2\u003eBullet Points\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003e4‑Row Multi‑Line Layout, 120 Total Braille Cells\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e4 rows × 30 refreshable braille cells breaks single‑line reading limits, delivers real row‑column spatial layout for tactile perception.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRich Content Rendering Capability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSupports plain text, complex mathematical formulas, graphical symbols, icons and sheet‑music output for professional‑grade tactile presentation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated TTS \u0026amp; Offline Voice System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBuilt‑in text‑to‑speech engine works without network. Voice feedback for status notification and content audio playback.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFlexible Dual‑Mode Connectivity\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWired USB and wireless Bluetooth connection. Compatible across Windows, macOS, Android and iOS operating systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBuilt for Professional \u0026amp; Educational Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eOptimized for blind school teaching, STEM subject study, engineering material reading and specialized professional‑content display.\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Zeta‑120 Multi‑line Braille Display redefines tactile reading by overcoming the constraints of conventional single‑line refreshable braille hardware. Equipped with four rows of 30 braille cells each, this unit delivers a total of 120 refreshable braille dots, enabling blind and low‑vision users to perceive the row‑and‑column spatial structure of digital content physically through touch.\u003c\/p\u003e\n\u003cp\u003eTraditional single‑line braille displays only present content sequentially in one linear stream, stripping away layout and spatial information that matters for formulas, charts and scores. Zeta‑120 preserves the original spatial organisation of documents. Mathematical equations, technical symbols, graphic icons and musical sheet notation can all be rendered simultaneously on its multi‑row braille panel, instead of being flattened into simple linear text.\u003c\/p\u003e\n\u003cp\u003eBuilt‑in TTS and offline voice modules provide reliable audio assistance independent of internet access. Real‑time voice announcements report device power status, connection mode and working state, while the text‑to‑speech engine can vocalise displayed content as an optional complement to tactile braille reading. Users may freely switch between tactile braille output, audio‑only playback or combined dual‑feedback modes according to personal habits.\u003c\/p\u003e\n\u003cp\u003eSupporting both USB wired connection and stable Bluetooth wireless pairing, Zeta‑120 works seamlessly with mainstream desktop and mobile operating‑system platforms including Windows, macOS, Android and iOS. It can cooperate with widely‑adopted screen‑reader software to synchronise screen output onto its multi‑row braille array.\u003c\/p\u003e\n\u003cp\u003eZeta‑120 is purpose‑built for high‑demand educational and professional use cases. It fits perfectly for daily teaching tasks within blind‑school classrooms. For students and researchers engaged in science, technology, engineering and mathematics disciplines, the multi‑cell layout makes complex technical documents and formula sets far easier to interpret. It also serves well for scenarios requiring sheet‑music reading and specialised symbol presentation.\u003c\/p\u003e\n\u003cp\u003eAll relevant software installers, screen‑reader plugins, pairing configuration guides, firmware‑update resources and troubleshooting documentation are hosted on the \u003cstrong\u003eProduct Support\u003c\/strong\u003e page in our website Support menu.\u003c\/p\u003e","brand":"Wiltrue","offers":[{"title":"Default Title","offer_id":53268303217007,"sku":null,"price":3999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/8443\/9151\/files\/120_2_6202bca5-9d98-469b-82f2-7a4baa989ab9.jpg?v=1785921369","url":"https:\/\/wiltrue.com\/products\/zeta-120-multi-line-braille-display-4x30-120-braille-cells","provider":"WilTrue","version":"1.0","type":"link"}