HQRP 2 Pin Acoustic Tube Earpiece Headset Mic for Retevis H-777, RT-5R, RT-5RV, RT-B6 + HQRP UV Meter HQRP&reg; Hands Free Headset with Acoustic Tube, Earpiece and Push-to-talk Microphone plus HQRP&reg; UV Meter; Cable Length: from the connector to the PTT microphone - 84cm / 33", from the microphone to the acoustic tube - 45cm / 17.6"; Color: Black with Clear Acoustic Tube; High-quality Sound; Handy and Convenient; Easy to use; 200 days warranty!