CPU: ARM7T (32 bit RISC Processor) Memory: SRAM 2K bytes, Flash RAM 128K bytes Graphics: 32 x 32 dot monochrome LCD Sound: Miniature speaker (12 bit PCM) x 1 unit Switches: 5 input buttons, 1 reset button Infrared communication: Bi-directional (supports IrDA based and conventional remote control systems) LED indicator: 1 unit Battery: Lithium-Ion battery (CR 2032) x 1 unit Other functions: Calendar function and Identification number. Dimensions: 64 x 42 x 13.5 mm (length x width x height) Weight: Approximately 30g (including battery)