... ,Safe Application: 7", 4", 3.5", 2.8" GPS/PDA/3G Phone Cert: CE, RoHS, ISO9001:2001 Product Feature and purpose ... :1. Mainly used for 3G mobile and GPS Phone, GPS, MP3 or other electronic device ... product.Patent:USA: D588.392SChina: 200520070366.2 200720046003.4 GPS/3G Mobile/Phone holder