Sony Ericsson St17a White GSM/GPRS/EDGE 850/900/1800/1900. UMTS/HSPA 800/1900/2100 Internal phone storage: 1GB (up to 320MB free). RAM: 512MB. Memory card slot: microSD, up to 32GB. Platform: Android 2.3. Screen: 320 x 480 Pixels / 16,777,216 color TFT / 3 Inches Water and dust resistant. Durable mineral glass screen with wet finger tracking. HD video and Reality Display with Mobile BRAVIA Engine. Camera - 5 megapixel. Radio - FM radio with RDS. 3.5 mm audio jack. Micro USB support. Bluetooth with A2DP. aGPS. WiFi. Document readers