OFFICE – WIRELESS MOUSE – BLACKULTRA COMFORTABLE – CURVED SHAPE ALLOWING TO PERFECTLY FIT THE SHAPE OF THE HAND – PLEASANT GRIP – MORE EFFICIENT CONTROL – THE ADJUSTMENT OF THE SENSITIVITY ON THE FLY ALLOWS YOU TO ADJUST THE SPEED OF THE MOUSE ACCORDING TO THE NEEDS – HAS BUTTONS ON THE SIDE TO BE OPERATED BY THE THUMB MAKING IT EASIER TO CARRY OUT YOUR MOST COMMON ACTIONS – READY TO USE, NO INSTALLATION NECESSARY – 2 AAA BATTERIES PROVIDED.CHARACTERISTICS: PC / MAC COMPATIBLE – ON / OFF BUTTON – CONNECTIVITY: USB 2.0 RF – DIMENSIONS: L 12.5 X H 6.9 X D 4.6 CM – DPI SWITCH: 800/1200/1600/2400 – NUMBER OF BUTTONS: 6 – COLOR. BLACK