Enjoy wireless freedom with the Wireless Mouse from V7. Simply plug in the nano USB wireless receiver and get down to business. The optical mouse with a contoured, ambidextrous design is built for comfort and performance. Enjoy of up to 6 months on one battery based on usage, plus it has an auto power saving mode to really maximize battery life. The nano-receiver can store inside the mouse - perfect for professionals on the go. The mouse comes with a AA battery so you're ready to go right out of the box and rest assured - it's backed by the V7 2 year warranty.