Part number 4Y50X88822 Key Details Dual-host Bluetooth 5.0 to switch between 2 devices Swift Pair to conveniently connect to new devices Silent buttons without the annoying click sounds Blue optical sensor that works on most surfaces On-the-fly DPI adjustment: 2400, 1600, 800 Up to 1 year batter life on a single AA battery (may vary based on usage) Tech Specs Color Black Battery Life Up to 12 months (may vary based on usage) Weight 61 g (2.15 oz) Mice Button 3 (left click, right click, scroll click) Button Life Right/Left buttons - up to 3 million click, Scroll button - up to 100,000 clicks Mouse Sensor Blue Optical Sensor Warranty Type Customer Replaceable Unit (CRU) Power Requirement 1 AA battery Scrolling 2-way scroll wheel (up, down) Brand ThinkPad OS Requirements Windows 10, Windows 11 Packed Weight 129 g (4.56 oz) Agency Approvals ANATEL, ANRT, ARTCI, BSMI, CB, CE-RED-EMC+RF, CERT, cTUVus, DWLF&M, EN62471, ENACOM, FCC ID, IC, ictQATAR, IMDA, JRF, KC, MIC, NCC, SRRC, SUBTEL, TRA, TRA, TRC, TUV Mark, UCC, WPC Package Type Brown Box Packed Dimensions (L x D x H) 110 x 78 x 40 mm, (4.33 in x 3.07 in x 1.57 in) Height 29 mm (1.13 in) Cable Length 107 mm (4.23 in) Depth 58 mm (2.28 in) Special/Added Features Low profile design, Swift Pair connectivity, Dual-host Bluetooth, Easily between two devices Warranty Period 1 Year Maximum Operating Temperature 40 degrees Celsius (104 degrees Fahrenheit) Minimum Operating Temperature 0 degrees Celsius (32 degrees fahrenheit Maximum Relative Humidity (%) 90% Minimum Relative Humidity (%) 10% Connection Type Bluetooth 5.0 DPI 3-level adjustable DPI (2400, 1600, 800)