Fulfillment by Amazon (FBA) is a service we offer sellers that lets them store their products in Amazon's fulfillment centers, and we directly pack, ship, and provide customer service for these products. Something we hope you'll especially enjoy: FBA items qualify for FREE Shipping and Amazon Prime.If you're a seller, Fulfillment by Amazon can help you grow your business. Learn more about the program.When portability is the priority, the Sabrent MS-OPMN is the answer. Our reliable, comfortable and easy to use USB mouse is the perfect solutions for traveling. It's slim design easily fits in a bag or briefcase and the retractable cable stays neatly in place. The multifunction scroll wheel allows for scrolling and zoom, and the optical sensor is designed for high precision.