1.Mini USB Bluetooth Dongle 2.15 meter wireless ... DUN-GW, HSP , HFP A2DP AVTCP, FTP, OPP, Audio-GW, FAX, BPP and etc.Dual-mode Bluetooth low energy ... DUN-GW, HSP , HFP A2DP AVTCP, FTP, OPP, Audio-GW, FAX, BPP and tec.RoHS compliant , CE, CE ... and baseband IC for Bluetooth 2.4 GHz systems including EDR to 3 Mbps.Dedicated signal and ... and an HCI interface Bluetooth low energy Mini USB Bluetooth Dongle