... Touch panel: Glass analog resistive touch and transparent type, Battery: Rechargeable li-ion polymer battery (3.7 V/4,000 mAh) Expansion slots: SIM ... )*1536 (V), QXGA6. All alphanumeric keypadStandard Accessories4,000 mAh Li-ion battery, Usb cable, RS232 serial cable, Touch stylus, 4G microSD (TF ...