**Product Specifications:**

**Brand:** BBK

**Model:** S8

**Screen Size:** 29"

**Release Date:** September 2024

**Publisher:** Beijing Normal University Publishing Group, People's Education Press, Foreign Language Teaching and Research Press, Yilin Press, Fujian Education Press, Hebei Education Press, Shanghai Educational Publishing House, Qingmao University Press, Hunan Juvenile & Children's Publishing House, New Buds Publishing House, Guangdong Education Publishing House, China Science and Technology Publishing House, Science Popularization Press, Liaoning Normal University Press, Hunan Education Publishing House

**Screen Technology Requirements:**

- Screen Size:

- Less than 13 inches: >180 ppi

- 13 inches or more, less than 16 inches: >140 ppi

- 16 inches or more, less than or equal to 24 inches: >100 ppi

- Brightness:

- Mirror screen: >240 cd/m²

- Non-mirror screen: >150 cd/m²

- Brightness Contrast: ≥700:1

- Brightness Uniformity: ≥75%

- Color Gamut Coverage: sRGB ≥90% or NTSC ≥72%

- Flicker: Should not be perceptible

- Brightness Viewing Angle: Horizontal: ≥150° Vertical: ≥150°

- Harmful Blue Light Ratio: <50%

**Smart Eye Protection Features:**

- Mandatory:

- Time Management

- Ambient Light Adjustment

- Distance Perception

- Display Mode Selection

- Visual Fatigue Blink Perception

- Posture Perception

- Motion Perception

- Eye Health Exercise Guide

- Optional:

- AI Intelligent Eye Protection Function

*Note: The above specifications are based on the features and technologies of the BBK S8 learning device, which meets the eye protection standards and requirements set by the industry.*

For more information, please refer to the official BBK website or authorized retailers.