Zilltek's various analog and digital output signal micro-electro-mechanical microphones not only provide single-chip sales, but also set up a professional acoustic laboratory (PAL Acoustic Lab) to provide customers with a more timely and complete software design support platform and application solutions. The sales area of this product is also very wide. For example, all applications that use sound as the human-machine interface are its sales areas, including personal 4C products, game consoles, hearing aids, Internet of Things (IOT) and various wearable devices.