Media-Tech MT1113R Raton Pro Red

 Wireless mouse 2.4G with optical sensor Long operational distance: up to 10m  Small “nano” type receiver Instant connecting  Changeable resolution: 800/1200/1600 cpi Precision tracking  3 basic buttons and scroll wheel 2 special side buttons (forward backward buttons) Compatible with Windows XP, VISTA, WIN 7 32/64, WIN 8.1 32/64  USB interface Power: 2 x 1.5V AAA batteries (not included in the package content) Weight: 53g