Support Win Xp, Win Vista, Win 7 / Win8 CSR8150 chipset Bluetooth V 4.0, class 1 Can be connected to Notebook, Ultrabook, Desktop PC Compliant with Blue 2.1 +EDR, Bluetooth 3.0 _ HS, Bluetooth 4.0 LE standard Support Wake-On-Bluetooth Size: 23x16x7 mm Package content: 1 x Bluetooth Dongle 1 x Driver CD