With the advancement of technology and growing market demands, electronic products are increasingly being used in diverse application scenarios. Typical use cases often involve exposure to rainwater, swimming, daily water contact, dust, and audio performance requirements. Consequently, electronic products must account for these environmental factors during their design and usage.

Waterproof Breathable Membrane (WRM), a thin-film material that combines both waterproofing and acoustic transmission capabilities, is widely utilized across various industries, including:

- Consumer Electronics (e.g., smartphones, wearables, earbuds)

- Medical Devices (e.g., hearing aids, surgical equipment)

- Acoustic Equipment (e.g., speakers, microphones)

- Automotive & Industrial Applications (e.g., sensors, outdoor communication devices)

This material ensures device durability while maintaining optimal sound quality, making it essential for modern electronic designs exposed to harsh or wet environments.