Product Specification: Display size:1.77 inch Display type: QQVGA Performance: Approximate standby time (Dual SIM, GSM):18.2 days Approximate standby time (Single SIM, GSM):25.8 days Approximate talk time (Dual SIM, GSM):14.4 h Approximate talk time (Single SIM, GSM):14.4 h Internal storage:4 MB Operating System: S30+ RAM:4 MB Connectivity: Cable type: Micro USB (USB 1.1) SIM type (slot 1):Mini Sim SIM type (slot 2):Mini Sim Battery: Battery capacity:800 mAh Audio: Headphone jack:3.5 mm FM Radio (Headset required) Network and connectivity: Network bands (GSM):900/1800 (EU) Network speed:2G