Logitech USB Adapter  (Black)

Item Condition: OEM in non-retail package It's convenient, reliable connection 2.4 GHz wireless technology It lets you connect up to six compatible mice and keyboards to one receiver Download Unifying software to quickly add all of your devices to one receiver. The Logitech Unifying receiver is a tiny wireless receiver that can stay plugged into your notebook's USB port and lets you easily connect up to six compatible wireless mice and keyboards to the same receiver. There's no need to unplug it when you move around, so you won't have to worry about losing it. One tiny receiver, many possibilities With a Logitech Unifying receiver you get wireless freedom and convenience without the hassle of multiple receivers. It's easy to add a compatible wireless mouse or keyboard to the same receiver. And your wireless devices are ready when you need them.