Model Outerloop-F
-Headset 4-pin Female XLR, 5-pin Female XLR
-Model Outerloop-M
-Headset 4-pin Male XLR, 5-pin Male XLR
-Headset Microphone
-Impedance 50-2000 ohms
-Headset Earpiece
-Load Impedance 50-600 ohms
-Power >50 mW into 150 ohms
-Bluetooth Wireless Technology
-Standard Bluetooth 3.0
-Profile Hands Free (HF)
-Distance 66 ft (20 m) . . .