Logitech USB Unifying Receiver 2.4 GHz Wireless Compatible w/ Logitech Unifying Devices up to 10m & 6 Devices: From the manufacturerUSB Unifying receiverOne Receiver – 6 DevicesConnect up to 6 compatible keyboards and mice to one computer with a single Unifying receiver – and forget the hassle of multiple USB receivers.Tiny, Leave-In ReceiverOur smallest Unifying receiver. So tiny that you can leave it i