Description Color Cloud Grey Battery Life Up to 12 months (may vary based on usage) Weight 52 g (1.83 oz) Backlight No Mice Button 3 (left click, right click, scroll click) Button Life Up to 3 million clicks for left and right buttons Mouse Sensor Optical sensor Hardware Requirements Supported PC with USB-A port Warranty Type Customer Replaceable Unit (CRU) Power Requirement 1 AA battery Scrolling Scroll wheel (up/down) Brand Lenovo OS Requirements Windows 10,OS Independent Packed Weight 140 g (4.93 oz) Agency Approvals CB, TUV Mark, cTUVus, FCC ID, IC ID, IFETEL, MTC(RF), SUBTEL, CONATEL, CE, WPC, IDA, SIRIM, SDOC, ICTQC, NTC, SDPPI, ICASA,UAE TRA, FAC DOC, UkrSEPRO, TRA, TRC, ANRT, CERT, NCC, JRF&VCCI, CITRA, ENACOM, ANATEL, NTRA, KCC, ictQATAR, NCC&BSMI, TRA Package Type Blister pack Packed Dimensions (L x D x H) 182.4 x 122.3 x 75 mm (7.16 x 4.80 x 2.95 in) Height 32.53 mm (1.26 in) Length 97.91 mm (3.86 in) Depth 57.99 mm (2.20 in) 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 (%) 95% Minimum Relative Humidity (%) 20% Connection Type 2.4 GHz Wireless via Nano USB-A Receiver DPI 1000 DPI
