HP 480 Comfort Bluetooth Mouse/24 Months Battery Life/Upto 4000 dpi Multi Surface Tracking/AES 128 bits encryptionBrand HP Manufacturer HP, HP Inc., 1501 Page Mill Rd, Palo Alto, CA, USA Colour Black Item Height 0. 1 Centimeters Item Width 4. 22 Centimeters Product Dimensions 12 x 4. 22 x 0. 1 cm; 86. 18 g Batteries 1 AA batteries required. Item model number 8T6M3AA#ABA Hardware Platform Laptop, Personal Computer Operating System Linux Average Battery Life (in hours) 24 Months Are Batteries Included No Manufacturer HP Country of Origin INDIA Item Weight 86. 2 g