Microphone sensitivity: High, Medium, Low and Auto.
Dimensions: 4.25 inches x 1.48 inches x 0.79 inches.
Device weight: 2.4 ounces.
Internal memory: 4 Gigabytes.
Battery life: Approximate 60 hours.
Recording format: WMA; Recording Storage: 1570 hrs. (Std), 2080 hrs. (LP).
Battery type: AAA alkaline battery x2 (included); Connects to PC with included USB Cable.