Shenzhen Kingvt Electronics Co., Ltd. was founded in 2000, located in Shenzhen, China. Kingvt is a leading developer, producer and marketer of innovative, technology-based educational products and related proprietary contents. We are hundred percent focuses on developing products that will provide the most engaging, effective learning experience. Our products are mainly divided into 2 series: story machine (story teller) and reading pen. Reading pens include school book reading pens, ...