Features and specifications: 1) Super exquisite and fashion design 2) IR technology 3) Built-in flash memory is avaliable 4) Tailored as a convenient handy-tool for presentations, teachings, meetings, speeches, trainings 5) Consists of a remote control, a laser pointer, a wireless mouse and a wireless keyboard 6) Functions: a) Laser pointer function b) Mouse function c) Keyboard function d) Built-in flash memory 7) System: Windows98/2000/ME/XP Linux & Mac OS 8) USB plug and play, no driver required 9) Laser distance: >200m 10) Control distance: >15m 11) Dimensions (L x H x W): 11.9 x 3.1 x 1.7cm 12) Transmitter weight: 58g (including batteries) 13) Battery: AAA x 2pcs