SEDNA - USB Bluetooth 4.0 Adapter Dongle (CSR Chipset), supports Windows XP/Vista/7/8/10 Support Win Xp, Win Vista, Win 7 / Win8/10 CSR8150 chipset Bluetooth V4.0, class 1 Compliant with Blue 2.1+EDR, Bluetooth 3.0 _ HS, Bluetooth 4.0 LE standard