Olympus LS-P4, Portable Digital Recorder, 3 Built-in microphones ""Tresmic"", Recording format: FLAC, Linear PCM 96kHz 24 bit, WAV and MP3, Internal memory: 8 GB, Bluetooth, Expandable memory: microSD / SDHC up to 32GB, Frequency range (2 microphones active): 60 - 20000 Hz, Frequency range (3 microphones active): 20 - 20000 Hz, Max. sound pressure level: 120 dB SPL, Manually adjustable recording level, Limiter, Normalisation, Voice guidance, Cut, Intelligent car mode, Built-in speaker, Headphone output: 3.5 mm stereo jack, Integrated USB 2.0 plug for direct connection to the computer, 1/4 inch thread mount on the underside, Metal housing, Menu languages: EN, FR, DE, IT, ES, RU, PL, CS, SV, NL, DA, CN, Power supply: 1x AAA battery, Dimensions: 109 x 40 x 14 mm, Weight: 75 g