Karsen Tech Limited focuses on IoT solutions for small and medium-sized devices, integrating displays, sensors, and wireless modules with custom firmware and companion apps. 

We provide a fully integrated path from interface design to production-ready devices. 

With offices in both Shenzhen and Hong Kong, we work at the intersection of design and manufacturing, combining technical development with global accessibility. 

We offer UI/ UX (User Interface & Experience) Design for Both App and Device.

Certified UI/UX designers and team leaders with European experience craft interfaces for both apps and devices. We focus on clarity, usability, and visual harmony — from wireframes to production‑ready prototypes.

We provide Embedded development services (Firmware & Communication Logic Implementation) for customers. In‑house firmware and communication logic are built by an experienced core team. We specialize in low‑power wireless systems and display integration, driver implementation, UI integration, and performance optimization.

We offer App development & integration (Companion Apps for Smart Devices & IoT Systems) services.We build cross‑platform mobile apps that connect seamlessly with embedded devices: device pairing, data synchronization, real‑time control, and OTA updates across Android and iOS.