Product Specifications Built-in Memory 4GB Built-in Microphone Monaural PC connectivity Yes Maximium Files (total) 5000 Recording Format MP3 Playback Format MP3 Recording Low-cut filter Yes VOR Yes Recording Monitor Yes Playback Features Digital Pitch Control (Speed control), Noise Cut, Easy Search, Digital Voice up, A-B repeat Editing Features Edit, Protect, Erase, Move file, File Copy, Track mark Input/Output connections Hi-Speed USB Input, Stereo Mic-in jack, Stereo Earphone jack Battery Type AAA x 2 Dimensions (W X H X D) 1.51 x 4.49 x 0.76 (in) Weight 74g Manufacturer Warranty 2 years Manufacturer Sony