This Listing is for (1) ONE Logitech Optical Wireless Ambidextrous Mouse M325 M-R0039 910-003120 Violet This was Pulled Working and Tested Working Comes from closures and upgrades You Get The Mouse The Receiver Check Out My Other Listings For Possible Need / Want Following is from Logitech (THIS DOES NOT SUPERSEDE MY DESCRIPTION) DIMENSIONS Mouse Dimensions Height x Width x Depth: 3.73 in (94.7 mm) x 2.24 in (57 mm) x 1.54 in (39.1 mm) Weight (with batteries): 3.28 oz (93 g) Receiver Dimensions Height x Width x Depth: 0.57 in (14.4 mm) x 0.74 in (18.7 mm) x 0.24 in (6.1 mm) Weight: 0.06 oz (1.8 g) SYSTEM REQUIREMENTS Windows Vista, Windows 7, Windows 8, Windows 10 Mac OS X 10.5 or later Chrome OS Linux kernel 2.6+ certified Works With Chromebook (4) USB port TECHNICAL SPECIFICATIONS Sensor technology: Advanced Optical Tracking Sensor Resolution: 1000 Number of buttons: 5 Scroll Wheel (Y/N): Yes (with Micro-precise scrolling) Tilt scroll function (Y/N): Yes Battery life: 18-month battery life (2) Battery type: 1 AA battery Wireless operating distance: Approx 10m Wireless technology: Advanced 2.4 GHz wireless connectivity(Unifying supported) Interface: USB receiver Product Origin: China PART NUMBER Red: PN: 910-002651 Blue: PN: 910-002650 Violet: PN: 910-003120 Brilliant Rose: PN: 910-003121u 1. Based on independent sales data (in US$ currency) for CA, US, AU, FR, DE, IT, from September 2008 through August 2010. 2. Battery life may vary based on user and computing conditions. 3. Tilt wheel will not support backward/forward on Mac computers but will support Dashboard, Expose or Spaces (when you select in System Preferences). 4. This product has been certified by Logitech to meet Google's compatibility standards.