Bluetooth version: 5.4 (BLE low power, low latency);. 5.4 Bluetooth dual-mode dual-channel, compatible with Bluetooth 2.0, 3.0, 4.0, 5.0, 5.1 and 5.3 specifications;. 1, The USB bluetooth adapter can only be plugged into your desktop or laptop computer, and cannot be used on other devices such as a car.
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