Syba Bluetooth Wireless Optical Mouse (CL-MOU23014) Connection Type: Wireless Movement Detection: Optical Movement Resolution: 1200 dpi Bluetooth wireless optical mouse without USB receiver. Powered by 2 AAA batteries. Working distance up to 8 m. 800 / 1000 / 1200 dpi sensor adjustable by button. Windows 98SE/ME/2000/XP/2003/Vista Disclaimer note: The current iOS version for model iPad 2 will not allow it to work with item CL-MOU23014.