I. Product Uses and Core Features

(I) Adaptation to All-Scene Mobile Marketing

1. Outdoor Mobile Promotion Scenarios
   • Portable advertising backpacks and portable backpack vertical LCD advertising TVs are specially designed for mobile promotion, suitable for crowded events such as marathons, markets, and parades. Carriers can move freely through the venue, playing brand advertisements and event previews on mainstream screens such as 43-inch ones, achieving precise reach with "people moving with the screen".
   • Outdoor portable advertising displays have high-brightness and anti-glare features, maintaining clear display even under direct sunlight. They are suitable for open-air scenarios such as commercial pedestrian streets and scenic spots, replacing traditional fixed billboards and flexibly responding to temporary promotion needs.
2. Indoor Flexible Display Scenarios
   • Indoor portable smart advertising screens are applicable to exhibitions, temporary in-store promotions, conference room receptions, etc. They support quick setup, can remotely update content via WiFi (portable advertising media stand wifi), play product introductions and activity rules, and are equipped with foldable stands, allowing a single person to complete installation and storage.
   • Portable advertising players are small in size and can be placed in narrow spaces such as desktops and shelves. They special offers and product demonstration videos in convenience stores and counters, enhancing local marketing effects.

(II) Core Functional Features

1. Mobility Convenience : Adopting a lightweight design, the advertising backpack weighs 5-8kg and is equipped with a breathable carrying system; portable advertising boards and displays mostly adopt foldable or modular structures, with the volume reduced by more than 60% after storage, supporting hand-carrying or vehicle transportation.
2. Intelligent Interaction Capability : Supporting 4G/5G/WiFi networking, remote control of content updates and scheduled playback; some high-end models are equipped with touch functions, allowing users to click to query details, suitable for exhibition interaction scenarios.
3. Battery Life and Adaptability : Built-in lithium battery, which can work continuously for 6-12 hours on a single charge (4-6 hours in outdoor high-brightness mode), and supports external power supply for continuous operation; compatible with mainstream video formats (MP4, AVI, etc.) as well as pictures and text content, adapting to Windows/Android system operations.

4. Quality Standards

5. Performance Standards
   • Display effect: Color deviation ΔE ≤ 3, viewing angle ≥ 178° (horizontal/vertical), outdoor screen anti-glare rate ≥ 90%;
   • Battery life stability: After 500 charge-discharge cycles, the battery capacity retention rate ≥ 80%;
   • Signal stability: After WiFi/4G connection interruption, it can automatically reconnect within 10 seconds to ensure uninterrupted content playback.
6. Safety and Durability
   • Material standards: The shell is made of fireproof ABS or aluminum alloy, passing RoHS environmental certification; lithium batteries meet UN38.3 transportation standards, with overcharge and over-temperature protection functions;
   • Structural strength: The load-bearing parts of the backpack have undergone 1000 fatigue tests without deformation; the display's impact resistance has passed the 1.5-meter drop test (in packaging state).
7. Industry Certification
   Passed mandatory certifications such as CE (EU), FCC (US), CCC (China), and advertising content playback complies with regulations such as the "Regulations on the Administration of Outdoor Advertising Registration".