The Sony Ericsson Yendo with Walkman supports GSM GPRS/EDGE 850/900/1800/1900 network and is powered by 156 MHz ARM 946 processor and it runs by Google Android 2.1 (Eclair) mobile operating system with Google services and Android Market and scratch-resistant glass screen surface. Sony Ericsson Yendo specifications: Network GSM 850/900/1800/1900 MHz Processor ARM946 156Mhz Dimensions 93.5 x