TRUE 2.4GHZ WIRELESS - Engineered for all out gaming performance, Model O Classic features low-latency 2.4GHz wireless that delivers seamless and responsive gameplay by minimizing lag with 0 drop outs. Game for up to 72 hours between charges. 69g LIGHTWEIGHT HONEYCOMB DESIGN - Its lightweight honeycomb shell construction keeps the Model O Classic light, at just 69 grams, making it perfect for fast-paced sweeps, swift flicks, and faster swipes. AWARD WINNING DESIGN - The Model O Classic brings back the award-winning symmetrical shape of the Model O. Designed for comfort and versatility, the Model O Classic accommodates palm, claw, and fingertip grip styles, or anything in between. DURABLE MECHANICAL SWITCHES - Durable new switches boast a 100 million click lifespan, giving you 5x durability of the original Model O, so your mouse keeps going, no matter how many matches you throw at it. RGB LIGHTING - Customize your setup with fully programmable RGB lighting that lets you personalize your mouse to match your setup. Your only problem will be picking from 16.8 million different colors.