Shenzhen PROS Electronics Co., Ltd. was established in 2003. Our company is mainly working on the research and design, production and sale of electronics, including a series of popular electronic products, such as digital photo frames from 1.1" to 19",with lcd video reomote control MP3, MP4 tft screen music and music+photo jpg calendar ,auto video ,turn on /off auto , fix time play video music ect EPC, mobile phones (baby phones, senior phones) big button ,sos,camera ,music,GPS,color,bar or ...