About Sing Sun Technology (International) Ltd.Founded in Hong Kong in 2007, Sing Sun Technology (International) Ltd. focuses on the design and manufacturing of compact IoT devices and location-aware hardware solutions. With dedicated R&D and production teams based in Shenzhen, we develop Bluetooth-enabled devices and card-style products, including our flagship SiNE TAG and SiNE CARD, designed for everyday personal use.In 2023, Sing Sun established the SiNETAG brand team, bringing together engineering, design, and product specialists to further strengthen our focus on branded consumer hardware and platform-integrated device development.Our Bluetooth devices are built on Nordic Semiconductor chipsets, a platform widely adopted across the industry and also used in products such as Apple’s Air...