USB 2.0 Wireless Desktop PROGRAMMABLE Mouse w/Scroll Wheel ~ DC-2131 Receiver fits any standard USB port Operates wirelessly up to 6 feet from receiver Typical basic button layout and functions Programmable buttons perform up to 41 actions Includes driver disc and setup instructions Comfortable ergonomic design for less hand/wrist discomfort Recharges batteries with USB cord (cord is included ~ rechargeable batteries are not) Free shipping to all USA addresses Customer satisfaction is our number one priority. We spend time researching each item we list to ensure that we are offering it at the fairest price possible and providing as much information as we can about what we are selling. We also inspect and test all of the merchandise we sell for quality, durability, functionality, and authenticity. Our policy is to be completely transparent when describing and listing our merchandise to provide you with accurate information, including any defects, missing parts, or other concerns. We also provide as many photos as we can from all angles so that you can see as much of an item as possible before making your decision to purchase it. Since we are limited in the number of photos we can post with each listing, please remember that additional photos are always available upon request. If you ever encounter a problem with any merchandise you purchase from us, we insist that you contact us at once so we can make things right. And, since our shipping center is open 6 days a week, your item will more than likely be on its way to you in less than 24 hours after you purchase! WAREHOUSE OUTLET STORE shopping the world for you and shipping it to your door!!!