1.Plug & play 2.Dual - mode bluetooth low energy 3.Compliance with bluetooth 2.1+EDR 4.Bluetooth 4.0 class 2 5.Dongle/PCBA TX power:+7dbm;RX sensitivity :-87 dBm;INOVA Firmware:Find me,proximity,generic attribute profile;A2DP,AVRCP,DUN,HSP,HFP,AVTCP,FTP,OPP,Audio GW,FAX,BPP profiles.TXpower:+7dBm,RX sensitivity :-87 dBm Dual-mode bluetooth 4.0 plus 2.0, 2.1,3.0