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Explore New Visual & Sound Experiences

VisualSonic Audit-Tech Limited is a wholly owned subsidiary of Digital Oasis Limited.


DigitalOasis is a product design & engineering company, founded in 2015 by Stephen Lam and a team of experienced designers & engineers. We understand that products are getting more complex, yet users are expecting more simplicity, thus, we focus not only on cosmetic designs but also on technical solutions, finding new ways for humanity to interact with new technologies.


Our living environment is constantly changing, and it always impacts our quality of living, it is not easy to adapt to such an ever-changing condition. By inventing & applying new technologies, our aim is to maintain & improve our quality of life.


Our design philosophy is characterized by:    




Based on the re-engineering of different materials, our patented core technologies cover innovative sound & voice applications, including Material Resonance Sound Technology & Material Conduction Sound Technology. 

We are designers & engineers; inventors & dreamers, experienced in designing and innovation, aiming to advance and improve the quality of modern living. 


Digital Oasis Limited is a Cyberport fund-supported company. Wholly owned by the Hong Kong SAR Government, Cyberport aims to support local Hi-Tech companies. 

Welcome to join our Digital Oasis.

  • Creativity in the simple design

  • Refinement in materials

  • Innovation in technology

Stephen Lam
Founder & CEO
Product Creator
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Connect with Us


Our dedicated customer support center is tailored to provide full information and services for you to enjoy our products.

We are here to support:

Retail Stores

Shop Online

Our products are available with our retailing partners located in:  

Hong Kong  I  Macau  I  Beijing  Tokyo  I  Taipei  I  London 

Our products are also available online. Order in just a few clicks.