The Chakram Wireless by ASUS uses an Optical sensor, providing a DPI/CPI range of upto 16,000 dpi. This results in a tracking speed of 400 ips, and a maximum acceleration of 40G. It uses a Wired, 2.4GHz RF and Bluetooth LE connection.
ROG Chakram is a 16,000 dpi, tri-mode wired, 2.4GHz RF and Bluetooth® LE mouse with a programmable, removable joystick that puts superior control right under your thumb. With fast charging, plus wireless Qi, pivoted buttons, detachable magnetic covers and a unique DPI On-The-Scroll feature for easy accuracy adjustment, Chakram is fearsome new fighting force on the gaming front. Fast charge for 15 minutes by wire for up to 12 hours of gameplay, or use Qi technology for wireless charging.