The Razer Naga’s revolutionary 12 button thumb grid has been outfitted with mechanical switches to give you tactile and audible feedback, so you can be assured of every actuation. Total of 19 MMO optimized programmable buttons 12 button mechanical thumb grid Tilt click scroll wheel 8200dpi 4G laser sensor Razer Synapse 2.0 enabled Green LED backlighting 1000Hz Ultrapolling Up to 200 inches per second /50g acceleration Zero-acoustic Ultraslick mouse feet 7 foot/2.1m braided fibre cable. This iteration of the Razer Naga features an all-new one-size-fits-all ergonomic form factor to ensure your hand fits snugly for maximum comfort. Its size is perfectly crafted for all hand shapes and is still light enough to be easily lifted by low-sense MMO players. The scroll wheel on the Razer Naga now goes left and right, as well as up, down and in for more buttons at your disposal, whether for destroying games or navigating a lengthy forum for the best MMO strats. The design of the thumb grid itself has also been improved with an all-new concave shape to allow each button to stand out individually. This allows for blind-find so you stay focused on the game, letting your instincts and reflexes lead you to victory. Includes Mouse Quick-start guide Razer Sticker Confirmation of Razer (Razer Certificate). Laser. Optical sensor. 19 buttons. Programmable buttons. Scroll wheel. 4 way scroll. Battery indicator light. Manufacturer’s 1 year guarantee. EAN: 8886419331445.