500 hours of nonstop gaming are possible with the next-generation HERO optical sensor, which offers unparalleled performance and power efficiency. Requires two AA batteries Super-fast 1 ms response time and faster than wired performance are possible with advanced LIGHTSPEED wireless technology. With just a button press, switch between LIGHTSPEED and Bluetooth connections to numerous devices. With a lightweight, sculpted body and an ergonomic design, it was made to be comfortable. Use a single or two batteries to change the weight. There are six programmable buttons and on-board memory to save your preferred configurations. Compatible with Mac, PC, and Android and iOS tablets