Logitech G309 LIGHTSPEED Wireless Gaming Mouse Black An advanced gaming mouse with LIGHTSPEED and Bluetooth® dual-wireless connectivity, LIGHTFORCE hybrid switches, HERO 25K precision tracking, and reliable construction—made available for all. Specs & Details Dimensions Physical Specifications Length: 120 mm Width: 64 mm Height: 39 mm Weight with POWERPLAY: 68 g Weight with AA Battery: 86 g Technical Specifications LIGHTFORCE SWITCHES hybrid optical-mechanical switches LIGHTSPEED wireless technology Up to 5 onboard memory profiles PTFE Feet Battery life - Battery life may vary based on user and computing conditions Constant motion 300+ hrs with LIGHTSPEED Wireless, 600+ with Bluetooth TRACKING Sensor: HERO 25K Resolution: 100 – 25,600 DPI Max. acceleration: >40 G 1Tested on Logitech G240 Gaming Mouse Pad Max. speed: >400 IPS 2Tested on Logitech G240 Gaming Mouse Pad Zero smoothing/acceleration/filtering Warranty Information 2 - Year Warranty