The MX Keys S also switches from the Logitech Unifying Receiver to Logi Bolt. Bolt uses Bluetooth Low-Energy as opposed to Unifying’s more typical 2.4GHz proprietary wireless.

Use Logitech Unifying software to access multiple Logitech devices with a single USB receiver. Streamline connectivity and customize user experience!

You order a Logitech K350 or K340 wireless keyboard for $50 to $60, or a Logitech Marathon Mouse M505 or M705 for $50 to $70, and you’ll get a Unifying receiver with your purchase.

If the Logitech Unifying Receiver is not detected, working or pairing in Windows 11/10, take these steps to fix the issue once and for all.