Microsoft Nano - Transceiver !!better!!
No software installation or driver download is required in most cases. Simply plug the transceiver into a USB-A port, and your compatible Microsoft mouse or keyboard works instantly.
The is a compact USB adapter that facilitates wireless communication between Microsoft peripherals, such as mice and keyboards, and a host computer. Unlike older, bulky receivers that resembled flash drives, the "nano" version is designed to be small enough to stay plugged into a laptop's USB port even during transport. Technical Overview microsoft nano transceiver
The Microsoft Nano Transceiver differs from generic receivers in two key ways regarding compatibility: No software installation or driver download is required
Microsoft has released several versions of the transceiver over the years to match specific peripheral families: such as mice and keyboards