The most recent Bluetooth 5.0 technology is used, and it is backward compatible with Bluetooth V4.0/3.0/2.1/2.0/1.1. Wireless connectivity allows Bluetooth devices and your PC or laptop to communicate reliably and conveniently. Nano-Sized: Exceptionally compact for dependable, high-performance portability Operating Systems Supported: Windows 11/10/8.1/7