Shanghai Teana Technology Co., Ltd was the mobile digital division of Shenzhen Jeja indurstry Co.,Ltd(Group), and independantly registered at 2011.It is a Production-oriented enterprise that research and development of new products.Teana technology is pursuit of innovation, personality and fashion design concepts, has four series of products :smartcables; Mini karaoke player;Backup batteries;and Iphone accessories.To early of the year 2012, it has got two national invention patents,10 utility ...