The AG-100 is a hand held audio guide player designed for use at museums / art shows / exhibitions and other venues requiring an audio explanation on areas of interest at a press of a button. Audio output is via the internal loudspeaker or by the supplied earpieces. Pre-recorded audio files are stored in compressed audio MP3 format giving a record time capacity( using 256MB sd card) up to 256 minutes(stereo) and 512 minutes(mono) playback time. Battery life 10 hours using NiMh rechargeable batteries or 16 hours with alkaline non rechargeable batteries. Up to 32 different languages can be stored in individual folders and up to 950 separate messages / recordings (depending on time length of each message) can be recorded on to the supplied 256Mb SD card. Compatible with SD memory card capacities 128MB/ 256MB/ 512MB/ 1GB/ 2GB. 12 button numeric key pad allows coding and standard play, stop, next and previous track Control of the audio player.