Kebidumei USB Bluetooth 5.4 Adapter for PC Speaker Wireless Mouse Keyboard Music Audio Receiver Transmitter Bluetooth Do

Upgrade Bluetooth 5.4+BLE (LMP: 12.45) Compatible with Bluetooth versions such as 5.3/5.2/5.1/5.0/4.0/3.0/2.0 Classic appearance, bright design Low power consumption, low latency, high-definition audio quality Win10-11 driver free, plug and play, supporting Win7 system One connection, automatic reconnection