【Ergonomic Design】 This keyboard adopts an ergonomic design to reduce wrist strain. It allows you to maintain comfort even during extended use. 【Wireless Connection】 The wireless connection using a USB receiver allows you to keep your desk area tidy. You'll be free from the hassle of cables. 【High Compatibility】 As a Microsoft product, it has high compatibility with many operating systems, including Windows. - Brand: Microsoft - Type: Ergonomic Keyboard - Connection Type: Wireless - Accessories: USB Receiver - Color: Black - Model Name: Microsoft Ergonomic Keyboard Thank you for viewing. I was using this with a FUJITSU laptop until last week. Defects: Cracks, worn packing, shine, cushion peeling, etc. are present. Images are attached. Therefore, it is being sold at a bargain price. Please purchase only if you understand that this is a used item.