TESNA originated from the Danish audiophile audio headphone brand, founded by Thomas Tokm Nielsen in 2000. Initially, it provided a diverse range of products for high-end users, including infrared sound transmission technology, stethoscope headphones, civilian grade call headphones, multimedia communication, call center headphones, and headphones. The research and development of headphone units and the production of self-developed chips are both produced and mass-produced according to extremely high European standards. The product production bases are located in Kallenburg, Denmark and Shenzhen, Guangdong, China.

The founder of TESNA collaborated with the well-known Bayer Group in Heilbronn, Germany in 2017 to develop Tesla units, which have received high praise from numerous users for their excellent quality. In November 2023, TESNA brand officially entered the markets of Southeast Asian countries, Singapore, Malaysia, Thailand, South Korea, Japan, Hong Kong, Taiwan, Chinese Mainland and other markets, providing high-end users with different product needs from Bluetooth headsets, 3C digital peripherals, Bluetooth audio and other product areas.

In March 2024, Hong Kong Jidong Box announced the acquisition of TESNA International Limited, the parent company of Tesna, and the offeror has received the necessary approval from the Danish Federal Economic Competition Commission to complete the tender offer. At this point, the consortium led by Hong Kong Jidong Box has obtained all official approvals required to acquire the Danish audio brand TESNA, including the full acquisition of its brands, global business development and technology research and development teams, and various special patents.

In May of the same year, Hong Kong Jidong Box Cultural Creativity Co., Ltd. authorized Shenzhen Lingsong Life Technology Co., Ltd. to provide technical support for the development and research of data algorithms and various earphones for TESNA, as well as various applications, operation and maintenance of the Internet. Brand operation and manufacturing authorization commission (subsidiary) Shenzhen Jidong Box Culture and Creativity Co., Ltd., supervised by Hong Kong Jidong Box Culture and Creativity Co., Ltd.

The TESNA brand philosophy is customer-centric, creating high-quality products and satisfying user experiences, committed to pushing the minimalist and luxurious lifestyle to the extreme.