Nuovo Mini USB Bluetooth Adattatore CSR Ricevitore Doppia Modalità per Windows 10/8/7/XP V4.0

Windows 10 8/ Windows 7/ Vista/ XP. Bluetooth 4.0. backwards compatible with Bluetooth 2.0 / 2.1 / 3.0 version. powerful, supporting multiple application extension. Long transmission distance: Up to 20m - 50m transmission distance (no blocking), strong signal.

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