B606 Black - Android 2.3, Built-in GPS, Wifi, Dual-SIM, GSM Quad-band, Touch Screen Unlocked Smart Phone Operating System: Android 2.3 ; Supports TWO SIM card with quad-band GSM 850/900/1800/1900MHz 3.2" QVGA capacitive touch screen; 240x320 pixel Supports Google Play Store, GPS navigation, Bluetooth, Wifi, and more. 0.3 Megapixel back camera with video recording function; MP3/MP4/FM Radio/etc ROM 512MB + RAM 256MB ; Supports external memory of up to 32GB ; Multi-language