dual mode support bluetooth 40 and bluetooth 30 ultra low power consumption csr bluetooth chipset operation distance up to 10 m support profile a2dp avrcp serial port object push file transfer lan access personal area network audio gateway headset hid keyboard mouse hcrp printer cable replacement communicates with all standard bluetooth devices system requirements pc with usb 11 usb 20 usb 30 microsoft windows 7 8 vista xp support full speed usb 20 inte