Bluetooth 4.0, USB 2.0, supports up to 7 simultaneous connections Supports Bluetooth DUN, FAX, SPP, HID, FTP, OPP, SDP, HCRP, LAN, OBEX FTP, OBEX OPP, OBEX BIP, BIP, AVRCP, A2DP, HSP, HFP, PAN, BPP, Headset, AVCTP, AVDTP, HDP, Find Me, Proximity, Health Thermometer, Heart Rate, HID OVER GATT profiles Easy to use Windows configuration tool available Bluetooth driver needed (Bluesoleil driver) Working distance (In an open field): Normally 300 meters, up to 600 meters using 5 dipole antenna