USB direct connection for quick file transfer Transferring files to or from your computer is fast and convenient. Just plug the ICD-PX470 straight into a free USB port for an immediate connection-no USB cable needed. Expand your memory with the micro SD card slot The ICD-PX470 comes with 4 GB of memory built-in, which gives you a max recording time of 59 h 35 m when recording in stereo at MP3 128 kbps. You can expand your memory capacity with a micro SD card for up to 32 GB of additional memory-equivalent to over 536 hours (Micro SD 32 GB, MP3 128 kbps) of recording time. Calendar Search finds the right file quickly Recordings are marked by date, so you can easily find which ones were made on a specific day. Bring up the calendar to browse through days and find the recording you're looking for. Transcription playback he...Built-in Devices: MicrophoneFlash Memory Capacity: 4 GBMemory Card Supported: microSDMemory Card Supported: microSDHCMemory Card Supported: microSDXCDisplay Screen Type: LCDAudio Formats: MP3Audio Formats: WMAAudio Formats: AAC-LCAudio Formats: AACRecording Modes: MonoMaximum Recording Time: 159 HourUSB: YesHeadphone: YesHeight: 4.5Width: 1.5"Depth: 0.8"Form Factor: PortableWeight (Approximate): 2.61 ozPackage Contents: Digital Voice Recorder with Built-in USB ICD-PX470 2 x LR04 (Size AAA) Alkaline Batteries PC Application Software (Sound Organizer) Operating Instructions Warranty card Limited Warranty: 1 YearPackage Contents Digital Voice Recorder with Built-in USB ICD-PX470 2 x LR04 (Size AAA) Alkaline Batteries PC Application Software (Sound Organizer) Operating Instructions Warranty card "