... ARM920T@533 MHzMemory: 128 MB RAM/1 GB Flash,Expansion Memory:4G TF (standard), maximum 32GInterfaces: USB 2.0,RS232Application Software: ... (3.7 V/4,000 mAh) Expansion slots: SIM/SAM/Micro SD (TF) card, Indicator: LED, Audio: 0.5 watt,Input method: Touch ... , Usb cable, RS232 serial cable, Touch stylus, 4G microSD (TF) card,Hand strap, Carrying case, AC adapter, SDKOptional Accessories 1. Bluetooth ...