Hero 25K sensor through a software update from G HUB, this upgrade is free to all players: Our most advanced, with 1:1 tracking, 400+ ips, and 100 - 25,600 max dpi sensitivity plus zero smoothing, filtering, or acceleration | 11 customizable buttons and onboard memory: Assign custom commands to the buttons and save up to five ready to play profiles directly to the mouse | Adjustable weight system: Arrange up to five removable 3.6 grams weights inside the mouse for personalized weight and balance tuning | Programmable RGB Lighting and Lightsync technology: Customize lighting from nearly 16.8 million colors to match your team's colors, sport your own or sync colors with other Logitech G gear | Mechanical switch button tensioning: Metal spring tensioning system and pivot hinges are built into left and right gaming mouse buttons for a crisp, clean click feel with rapid click feedback | 1 year hardware limited warranty

Built-in LIGHTSYNC RGB lighting blasts game driven lighting colors and effects activated by the audio in many popular games | Explosive 240 Watts Peak power and unique driver design deliver a huge soundscape for a heightened gaming experience | Integrated DTS:X Ultra surround sound renders 3D positional audio so you hear your gaming environment from every angle | Easily customize four speaker lighting zones with Logitech Family Software for both front and rear light projection in your choice of 16.8 million colors | Works with Windows based PCs and Bluetooth enabled devices including computers, smartphones and tablets (DTS:X not supported on Mac OS X) | Sound Pressure Level (SPL Max) - 97decibel @426B