Shenzhen Qosun Technology Co., Ltd. was established in 2009 and is a technology-based enterprise integrating development, production and sale together.Our main business scope includes the product design and development of accessories for the 1st analogue MP3 watch, USB watch, Bluetooth MP3 / MP4 watch, MP4 prayer / Compass watch, mobile phone watch, DVR watch, Alcohol test watch, Nursing thermometer watch,GPS Watch etc, headphones,Quran read pen,. Our company operates from design, development, manufacture, processing and assembly to after-sales service.With large-scale one-stop production,...