Up to 139hrs Recording time 1GB internal memory USB connectivity Four folders with up to 99 files in each folder 4 recording qualities HQ, SP, LP, SLP Large backlit LCD screen for an at-a-glance overview - 30x30mm Voice activated recording MP3 (mono) encoder Requires 2xAAA batteries 2 year warranty WxDxH: 40x18.4x108mm Weight: 60g (excluding batteries) Frequency Response: 300-10, 500Hz Hold function prevents unintentional on/off switching of modes File archiving through USB 2.0 high speed connection Includes: USB cable, Two AAA batteries & User manual Pack Weight: 0.317 kg Pack Dimensions: 144x48x204 mm