Bluetooth CSR 4.0 USB DONGLE Model : NEXT-204BT IT Powerhouse! Korea Brand!  Item description: Brand New and High Quality - Compliant with Bluetooth Version 4.0 + EDR, 2.1 + EDRCSR4.0 Harmony SoftwareSupporting APT-X CODEC DEVICE- Effective Range: Max 5m- Bluetooth 4.0 CSR ChipBluetooth 4.0 Low EnergySupporting Profiles: all Profile and WindowOfficial certification of SIG Power Consumption : 10% ~ 50% lower power consumption reduced compared with Bluetooth 3.0.Interface: USB complianceSpecifications:Version: CSR 4.0Size: 23 X 14 X 5mm Micro Mini sizeCertifications: FCC, CE, K Operation system: Window7,Window8,Window 2K,Window XP, Window Vista