HP M120 Wireless Mouse, USB-A Nano Dongle, 2.4 Ghz Wireless Connection, 6 Buttons, Up to 1600 Dpi, Optical Sensor, Ergonomic Design, 12-Month Battery Life, 3-Year Warranty, 60G±5%, Black, 7J4G4AaBrand HP Manufacturer HP, HP India Sales Pvt. Ltd. Colour Black Item Height 34 Millimeters Item Width 6. 1 Centimeters Product Dimensions 10. 3 x 6. 1 x 3. 4 cm; 60 g Item model number 7J4G4AA Hardware Platform Laptop, Personal Computer Operating System Windows XP Vista 7 8 10 11, Android 3. 2 or later, Mac IS 10. 5 Average Battery Life (in hours) 12 Months Are Batteries Included No Included Components Mouse Manufacturer HP Country of Origin India