KKBOX is a music streaming service developed in 2005 by KKBOX Inc., a software company in Taipei, Taiwan. It is a part of Japanese Telecom Group, KDDI. The service mainly targets the music markets of East and Southeast Asia, focusing on regions including: Taiwan, Hong Kong, Malaysia, Japan and Singapore. Working on a freemium basis, both paid and free members can listen to over 20 million tunes on smartphones, TVs, media centers and computers. As a Taiwan-based music streaming software, KKBOX caters mainly to Mandarin-speaking users by collaborating with record companies in the Taiwanese music industry. KKBOX also has close links with Taiwanese artists, and mainstream Mandopop artists like Jay Chou, Eric Chou and Bii.