Mercusys Bluetooth 5.4 Nano USB Adapter (MA530)

Your laptop's built-in Bluetooth keeps dropping the office headset mid-call. Or that desktop in the back still runs Windows 7 and won't pair with the new wireless keyboard. The MA530 plugs into any USB port, pairs in seconds, and stays out of your way. Nano-sized. Bluetooth 5.4 with Low Energy mode so it sips power all day without draining your battery. Works backward with older Bluetooth devices too. No drivers to hunt down, no fiddling. Plug it in, pair your device, get back to work

• Bluetooth 5.4 with Low Energy mode for stable, low-power pairing
• Nano form factor — sits flush against your laptop or desktop USB port
• Backward compatible with earlier Bluetooth versions
• Supports Windows 11, 10, 8.1, and 7
• 2-year warranty