Mercusys Bluetooth 5.4 Nano USB Adapter (MA530) • Bluetooth 5.4 — Deliver enhanced stability, broader compatibility, and faster transmission speeds • Wireless Connectivity – Provides stable and convenient communication between Bluetooth devices and your PC or laptop • Nano-Size – Ultra-small for convenient portability with reliable high performance • Backward Compatibility - Work with devices supported the earlier Bluetooth version • Bluetooth Low Energy - Minimise power consumption, making it easy to connect your Bluetooth devices and enjoy seamless performance • Supported Operating System – Windows 11/10/8.1/7 Warranty Period: 2-Year