ONE RECEIVER6 DEVICESConnect up to 6 compatible keyboards and mice to a computer via a single unifying receiver - no more problems with multiple USB receivers.TINY USB RECEIVER THAT YOU CAN LEAVE PERMANENTLY PLUGGED INLogitech's smallest unifying receiver. It is so tiny that you can leave it plugged into your notebook without any problem, even when you transport it.HAVE YOU LOST YOUR UNIFYING RECEIVER?You can use this separate USB Unifying receiver to replace a lost receiver. It is compatible with all Logitech unifying products (look for the unifying logo for compatible products)ADDITIONAL RECEIVER FOR LOGITECH EASY-SWITCH PRODUCTSUse an extra Unifying receiver to connect an Easy-Switch mouse or keyboardor bothto a second computer. This allows you to efficiently perform multiple tasks from one computer to another at the touch of a button. This is also a great addition to your Logitech Flow equipment.WIRELESS LOGITECH ADVANCED 2.4 GHZ TECHNOLOGYThe wireless advanced 2.4 GHz tec