This product is only suitable for Unifying Mouse Keyboard. Please contact customer service before placing an order to confirm whether your model is applicable before placing an order. If you want to know if yours supports it, just check if your mouse is an Unifying product Note:Single channel Device only supports connect Utility,Unifying does not work. 6 Device only supports connect Unifying. Note: 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. In 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. Features: One-to-many connection: One tiny receiver for up to six Unifying devices. Plug it and leave it, then connect additional mice and keyboards to one computer. Download Unifying software to quickly add all of your devices to one receiver. It's convenient, clutter free, advance 2.4 GHz wireless technology. For 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. for Unifying Mouse or Keyboard: for Anywhere Mouse MX (M905),M325,M585,M510,M705 for Performance Mouse MX (M950) for K400 keyboard for Wireless Solar Keyboard K800 for Number Pad N305 for Wireless Trackball M570 Specification: Mode: Single channel Device(-14),6 Device(-28) Type: Receiver for Unifying Material: ABS, metal Item Color: As shown Size: 1.4x1.8x0.6cm / 0.5x0.7x0.2 " (LxWxH) Quantity: 1pcs Package includes: (Without retail package) 1 x Receiver