Manhattan Viva Wireless Mouse - Black/Silver (178235) Frequency: 2.4 - 2.48 GHz Bluetooth Class II Range: Effective range up to 33.0 ft. / 10.0 m Mouse: Optical, 1000/ 1500/ 2000?DPI Resolution Material: ABS Plastic Compatibility: Bluetooth-enabled Windows and Mac computers, and Windows and Android tablets