Kone's ergonomic shape and rubber side grips ensure long-term comfort.

Easy-Shift[+]™ duplication technology expands 9 dedicated buttons into 17 programmable functions.

Characteristics:

With the flick of a switch, switch between 2.4GHz Stellar Wireless for low-latency gaming quality.
Bluetooth® for added versatility that lets you connect to your favorite devices.
Powered by two AA alkaline batteries to maximize battery life of up to 800 hours.
Or use a single battery to achieve lower weight for efficient portability.
ROCCAT's Titan optical switches offer instant actuation and incredible durability.
With a life cycle of 100 million clicks, providing a competitive edge game after game.