Logitech M570 Trackball Mouse Logitech Wireless Trackball Mouse Purchased new several years ago. Operation has been confirmed. Since it was used until recently, there may be fine dirt, scratches, and dust. The items in the photos are all that is included. The original box and instruction manual are not included. When shipping the item, only rain protection will be applied, and it will be sent using the cheapest method with simple packaging. Please note that bubble wrap and cardboard packaging may not be used. Please refrain from price negotiations. - Model: M570 - Color: Dark Gray - Ball Color: Blue - Power Switch: ON/OFF - Battery Type: AA Battery - USB Receiver