**Specifications:**

Brand: Shunjiang

Product Name: Tympanic Membrane Model

Product Color: Yellow/Pink

Material: Stable and durable

Usage: Suitable for students and teachers

Purpose: Understanding the principle of how the human ear drum perceives sound waves

Product Dimensions: Approximately 9cm x 6.5cm x 13.5cm

Product Structure: Foam ball representing the "tympanic membrane" vibrates and causes the foam ball to jump, providing a more intuitive demonstration

Features: Smooth edges, convenient for children to operate and play

Quality Assurance: Professional production of various laboratory instruments, ensuring quality and durability

Note: Product measurements are manually taken and may have slight errors, please refer to the actual product for specifics