H60 Sound Pickup Noise Reduction CS Headset For Hytera HYT TC-508 TC-510 TC-518Specifics: 1. Type: ? PD500 TC700 U94 PTT 2. For: Walkie Talkie Headset 3. Material: Plastic 4. Designed for active combat and high noise applications. 5. The PTT assembly interfaces low impedance headsets and flight helmets with PRC radios. Name: MSA SORDIN Tactical Headset Head Circumference: 54 62 cm Net Weight: 380g Scene: Outdoor Activities Material: ABS and rubber Component: A headset Compatible With Models: Fit for HYT Hytera TC 446S, TC 500,