Logitech Ergo M575S Wireless Ergonomic Trackball 5 Button Mouse

Logitech Ergo M575S Wireless Ergonomic Trackball 5 Button Mouse USB Receiver / Bluetooth Low Energy Technology Advanced optical tracking Used once and put back in original box Number of Buttons: 5 (Left/Right-click, Back/Forward, Scroll-wheel with middle click) Number of customizable buttons: 3 (Back/Forward, Middle click) Deals: I absolutely LOVE offers! Please don't hesitate to send me an offer! I will always do my best to ship same day or next day! Get TEN DOLLARS off your first purchase in ANY closet! Enter referral code @poshbimble during registration at Poshmark. Did I mention I love offers?