With the G502 X in your hand, your enemies won't know what hit them. The new LIGHTFORCE switches have a hybrid optical-mechanical design, so you'll get the best of both worlds – instant optical action with tactile mechanical feedback. And with the HERO 25K gaming sensor , you'll have the speed and accuracy you need to dominate the playfield. And since to two hands are the same, you can adjust the DPI-Shift button to fit your grip perfectly. Good to know - With LIGHTSPEED wireless , you won't even notice you're not plugged in – except for the freedom - The Dual-mode scroll wheel lets you whizz through pages of text or use the ratcheted mode when you need precision - With onboard memory you can switch between 5 profiles for different games or players - All 13 buttons are programable , so you can map your hotkeys to save precious milliseconds LOGITECH G502 X Lightspeed Wireless Optical Gaming Mouse - Black, 13 programmable buttons, Up to 25600 DPI, Up to 120 hours battery life, USB rechargeable, 2 year guarantee