SpecificationsUser's Manual A-2InterfacesDC-INHeadphone 3.5mm, stereo mini plug compatibleMicrophone Integrated with 3.5mm stereo mini plugSD card slot SD memory card, SD I/O card or MultimediacardNote: The security function of the SD memorycard is not usable. Data encrypted by the SDmemory card security function-compatibleequipment is not usable.Cradle connectionportRGB, USB Host/ClientAudio AC 97 Codec, Mono record, Stereo playback,8.0, 11.025, 22.05, and 44.1 KHz sample rate.Full Duplex record and playback. On boardmicrophone. on board speaker. Stereoearphone/microphone jack x 1. software volumecontrol.Accessories AC Adaptor, USB client cable, stylus pen, cradle,USB host cable, battery pack, high capacitybattery pack, battery charger. PDA / keyboardthumbpad.Although the display is manufactured using an extremely high order oftechnology, there may be a case that some dots do not light or alwayslight. It is not a malfunction.