lo-cut filter, up to 10 hours of operation with 1x AA battery. A/D & D/A conversion: 24bit, track mark function, Outputs: stereo mini-jack, time stamp, mini-jack input for line signal and plug-in powered mic, 24bit/96kHz linear PCM, auto recording level, built-in monitor speaker, 128 times oversampling. Signal processing: 32bit. Recording media: Micro SD/Micro SDHC memory card (up to 32GB). H1 also functions as a USB audio interface, USB 2.0 (mini-B connector). Includes 2GB Micro SD card and Software, dimensions: 44 x 136 x 31mm. Weight: 60g Suitable windscreen