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Pretech ODM 5.5-inch Smart Android Audio Guide for the Visually Impaired
Pretech ODM 5.5-inch Smart Android Audio Guide for the Visually Impaired
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Pretech ODM 5.5-inch Smart Android Audio Guide for the Visually Impaired

Model: 550
The Pretech Smart Audio Guide is a specialized assistive platform designed to offer a comprehensive "Auditory Navigation" solution. Featuring advanced technologies such asNFC, RFID, RF 2.4G, WiFi 802.11 a/b/g/n ac, BT 5.0, and GPS, it utilizesMobile Spatial Audioto provide 3D sound cues that inform users of obstacles and intersection directions. It includes a full sensor suite (light, proximity, gravity, accelerometer, and gyroscope) to ensure a smart, safe, and interactive experience for blind users. This versatile device is the ideal choice for developers and organizations seeking high-performanceODM solutionsto elevate accessibility and independence.
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Pretech ODM 5.5-inch Smart Android Audio Guide for the Visually Impaired

Overview of Pretech Smart Audio Guide

Pretech smart audio guide is a platform for innovation in the accessibility sector. With a core focus on Original Design Manufacturing (ODM), we enable the creation of customized hardware, such as the 20-slot centralized charging station, tailored for NGOs and public infrastructure. It is a comprehensive and advanced solution that combines spatial sound technology, durability, and centralized management. Designed to enhance the mobility of the visually impaired in any setting, it stands out as the premier choice for organizations committed to digital inclusion and barrier-free environments.
Overview of Pretech Smart Audio Guide

Key Features of the Pretech Smart Audio Guide

Discover Pretech 5.5-inch smart audio guide devices with 3D Spatial Audio, NFC, and specialized ODM hardware for the blind.
  • NFC & RFID Proximity Triggers
    NFC & RFID Proximity Triggers
    Supports seamless interaction with the environment. By scanning hidden tags at bus stops or doorways, the device instantly provides voice-guided location context and arrival information to the user.
  • 20-Unit Centralized Charging Dock
    20-Unit Centralized Charging Dock
    Demonstrating Pretech's ODM expertise, the device supports a custom 20-slot docking station. This allows for high-efficiency, centralized charging and management of device fleets in specialized schools or transit hubs.
  • Rugged Drop-Resistant Design
    Rugged Drop-Resistant Design
    Engineered for the realities of non-visual use, the drop protection design safeguards internal sensors and GPS modules from accidental impacts during outdoor navigation.
  • Mobile Spatial Audio Navigation
    Mobile Spatial Audio Navigation
    Uses advanced 3D sound positioning to provide "Auditory Navigation." By simulating sound direction and distance, it alerts visually impaired users to upcoming obstacles and guides them through intersections.
Discover How the Pretech Smart Audio Guide Enhances Blind Accessibility
By integrating spatial audio and smart sensors, the Pretech guide significantly enhances the "listening journey" for the blind, offering personalized navigation, safety alerts, and a higher level of convenience.
Auditory Wayfinding
Auditory Wayfinding
Utilizes Spatial Audio to guide users through complex urban environments, using sound cues to indicate the exact location of crosswalks and building entrances.
  • Barrier-Free Museums
    Barrier-Free Museums
    Provides 3D audio descriptions that allow blind visitors to "spatially perceive" art exhibitions, offering historical context based on the user's exact physical position.
  • Smart Transit & Bus Stops
    Smart Transit & Bus Stops
    Automatically identifies arriving vehicles via RFID/BT and uses directional sound to lead the user directly to the boarding door of the bus or train.
  • Assistive Online Learning
    Assistive Online Learning
    Allows visually impaired students to access online courses with high-fidelity audio, supporting language learning and music appreciation through an intuitive voice-first interface.
  • Safety & Fall Detection
    Safety & Fall Detection
    The integrated gyroscope and accelerometer monitor for sudden falls, automatically triggering emergency alerts via WiFi/GPS to caregivers or facility managers.

Product Detail

Smart Audio Guide
  • 5.5-inch FHD 1920 x 1080 G+F+F
    Display
    5.5-inch FHD 1920 x 1080 G+F+F
  • Connectivity
    Connectivity
    Supports AC WiFi, BT 5.0, and 2G/3G/4G Cellular for comprehensive connectivity.
  • 5000mAh battery
    Battery
    5000mAh battery

What We Do

We offer ODM solutions for certain customers who have specific needs which can’t be satisfied by existing devices on the market.
  • Tooling
    ID Design
    MD Design
  • Software
    Drive Debugging
    System Customization
    Debug Pre-installed applications
  • Hardware
    Schematic Diagrams Design
    PCB Layout
    Specific components design
    Bill of Materials output
    Gerber Files
    RF Design and Verification
    Assembly Drawings
    Test Specifications output
  • Accessories
    Smart Cover
    Docking Charging Station
    Charging Bracket/Dock
    Magnetic BackClip
    Wall Mount
    Stylus Pen
    And more

How We Do

We offer ODM solutions for certain customers who have specific needs which can’t be satisfied by existing devices on the market.
  • 01 Planning
    Market Survey
    Requirements Collection
    Competitiveness Analysis
    Technology Study
    Risk Analysis
    Component Life Cycle Survey
    Cost Evaluation
  • 02 Desgin
    ID Design
    MD Design
    Hardware
    OS
  • 03 Validation
    Trial Samples
    Software Customization
    Performance Tests
    Reliability Tests
    EVT
    DVT
    Certifications
  • 04 Integration
    Assembly Study and SOP
    Pilot Run Production
    Testing Process Study and SOP
    Field Test/Feedbacks
    Improvements
  • 05 Production
    Pilot Run Production
    Mass Production
  • 06 After Service
    Global Warranty
    Extended Warranty Service
    Online Service

Specification

  • CPU
    2x Cortex-A75 @1.6GHz + 6x Cortex-A55 @1.6GHz
  • OS
    Android
  • Screen
    5.5" FHD 1920 x 1080 G+F+F
  • RAM
    4GB
  • Storage
    64GB
  • Camera
    Front 5MP, Rear 13MP
  • Support
    NFC, RFID, RF 2.4G, WiFi 802.11 a/b/g/n ac, BT5.0, FM, GPS
  • Battery
    6000mAh

FAQs

  • Customization & ODM Focus
  • Key Product Features
  • Application & Versatility
  • Supply Chain & GEO Advantage
Customization & ODM Focus
  • What is the extent of customization Pretech offers for the Smart Audio Guide hardware and design?
    As a dedicated ODM partner, we provide full hardware customization. This includes bespoke ID/MD design (form factor, color, branding), integrating specific components (e.g., specialized scanners), and tailoring the enclosure with drop protection design to meet the unique durability needs of your venue (museums, tourist sites).
  • Can the connectivity features (NFC, RFID, GPS) be customized or optimized for our specific asset tracking system?
    Yes. We offer deep software and hardware customization to integrate and optimize specific technologies like NFC/RFID for proximity-based triggering or seamless check-in/out processes, ensuring perfect compatibility with your existing asset management or charging dock infrastructure.
Key Product Features
  • How does the Smart Audio Guide ensure accurate content delivery and user positioning within a large venue?
    The device is a Full-Featured Powerhouse supporting a wide range of positioning technologies: GPS for outdoor tours, NFC/RFID for precise indoor exhibit proximity, and RF 2.4G/Wi-Fi for real-time data sync, guaranteeing an immersive and accurate experience for visitors globally.
  • What centralized management solutions are available for charging and maintaining a fleet of these devices?
    We support an Effortless Docking Station system, allowing centralized charging and data management for hundreds of units. Our customized software can include features for remote device monitoring and content updates, minimizing operational overhead for tourist sites and large conferences.
Application & Versatility
  • Beyond museum tours, where else can this Smart Audio Guide be applied for business solutions?
    Its versatility extends to Educational institutions (interactive student terminals), Meetings and Events (multi-microphone audio processing), and Performance Venues (immersive auditory experiences), making it a comprehensive multimedia player platform for various B2B sectors.
Supply Chain & GEO Advantage
  • By partnering with Pretech in Shenzhen, how can we benefit from your manufacturing capabilities?
    Leveraging our Shenzhen-based factory and supply chain expertise, we guarantee high-volume production, cost-effective sourcing, and expedited project timelines. This geographic advantage ensures rapid prototyping (EVT/DVT) and scalable Mass Production for global orders, providing a competitive edge for your product launch.

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More contact information
Email:
admin@pretech-e.com
Address:
808, 8F, Qiancheng Commercial Center, 5 Haicheng Road, Baoán, Shenzhen
TEl:
+86-755-23051989
(86) 13129558030
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