Check the listing for details. ORIGINAL Logitech Unifying Receiver for Performance Mouse MX Dongle Keyboard USB. Condition: Used. Listed at 9.99 USD. BUY HERE,INC product Condition: Used grade A Items are tested and 100% functional, Some may have minor signs of handling and the packaging may have shelf wear and/or stickers. All items sold come with Anti-tampering seals and serial numbers are recorded. Please allow 1-2 business days for questions to be answered. Shipping Address/Time: -Should you need to change the shipping address, please change your address before you pay or contact us.-We have no responsibility for the shipping address provided wrongly.-We try our best to ship the order at the next working day or same day,We shipped the package to United States via USPS/FedEx/UPS (with tracking number)should you do not receive the package over 7 days, please contact us. Return / No Exchange Please if you decided to return the item for any reason please choose change my mind reason and you will get a free return. We accept return item within 30 days when buyer receive the items,No exchange! Feedback: Please contact with us before leave a natural or negative feedback we will do our best to resolution any problems. We appreciate your 5-Star positive feedback, It will help us keep providing same great items at a discounted price! Thank you for your purchase!