Portable Recording Studio - Universal - Professional HD Digital Audio Recorder MP3 Player Voice Activated One Button Recording Capability(Black) Universal Highlights Professional HD Digital Audio Recorder MP3 Player Voice Activated Recording Capability One Button(Black) Professional HD Digital Sound Voice Recorder MP3 Player Voice Activated Recording One Button Recording Capacity | Digital Voice Recorder FEATURES: One button recording/backup, with voice activated mode, support voice recording, recording monitoring and landline phone recording.Support lossless music formats such as MP3/WMA/FLAC / APE.Built-in high-fidelity speakers for external sound.Password Start function to protect the internal data of the recorder.Support loop function and AB segment repeat function.RECORDING FOR UNCONTABLED SUPPORTED POLYMER BATTERY.Intelligent battery detection automatically saves the recording file before the battery runs out.Support for USB 2.0 computer connections for easy voice or video download and download. music.