• FOR BACKUP OR MULTI-COMPUTER USE – Have it handy in case you need to replace the receiver that came with your Logi Bolt wireless device. Connect to two different computers with a strong, secure Logi Bolt wireless connection on both devices. Use it with your Flow-enabled Logi Bolt mouse for your multi-computer workflows. These are just a few reasons to buy a Logi Bolt receiver
• RELIABLE, SECURE WIRELESS – Designed for security and high performance, Logi Bolt delivers a strong and secure, no drop-off connection for up to 10 meters (33 feet)¹, even in congested wireless environments. Compatible with: Windows, macOS, Linux, Chrome OS
• DISCRETE AND CONVENIENT – One port is all it takes. Once the receiver is plugged in, you can keep it installed. Take your laptop and connected Logi Bolt devices with you to different workspaces and keep working
• ONE RECEIVER – 6 DEVICES – Connect up to 6 Logi Bolt wireless keyboards and mice to one computer with a single Logi Bolt receiver and forget the hassle of multiple USB receivers. Plus, keep one wireless keyboard/mouse set in each workspace, then simply move your laptop into range. No need to carry or commute with mice or keyboards

Logitech Unifying Receiver for Connecting Multiple Devices in Black