["This product is only suitable for Unifying Mouse Keyboard. \nPlease contact customer service before placing an order to confirm whether your model is applicable before placing an order。\nIf you want to know if yours supports it, just check if your mouse is an Unifying product\n\nNote:Single channel Device only supports connect Utility，Unifying does not work. \n6 Device only supports connect Unifying.\n\nNote: We have two models to choose from: single channel device and 6 channels device. Single channel device can only connect mouse, 6 channels device can connect mouse and keyboard at the same for time.\nIn order to use this product normally, you need to download the driver, you can download the driver on the official website. Or contact customer service for this link.\n\nFeatures:\nOne-to-many connection: One tiny receiver for up to six Unifying devices.\nPlug it and leave it, then connect additional mice and keyboards to one computer.\nDownload Unifying software to quickly add all of your devices to one receiver.\nIt's convenient, clutter free, advance 2.4 GHz wireless technology.\nFor easy mobility and exceptional experience, keep a mouse-and-keyboard at work, at home and in your computer bag. They are for always ready to use from only one USB port.\n\nfor Unifying Mouse or Keyboard:\nfor Anywhere Mouse MX (M905)，M325，M585，M510，M705\nfor Performance Mouse MX (M950)\nfor K400 keyboard \nfor Wireless Solar Keyboard K800\nfor Number Pad N305\nfor Wireless Trackball M570\n\nSpecification:\nMode: Single channel Device（-14），6 Device（-28）\nType: Receiver for Unifying\nMaterial: ABS, metal\nItem Color: As shown\nSize: 1.4x1.8x0.6cm / 0.5x0.7x0.2 \" (LxWxH)\nQuantity: 1pcs\n\nPackage includes: (Without retail package)\n1 x Receiver"]