K-Type 2-Pin Compatibility (Exclusive to Select Brands): Compatible with: BaoFeng, Samcom, Kenwood, Arcshell, Retevis (RT22, RT21, H-777, RT68, RT86, FPCN10A, FPCN30A).Not compatible with Midland/Motorola (uses different pin standards) Noise-Isolating Ear Cushions for Loud Environments: Dual-sided noise reduction headphones block ambient noise for: ✔ Camera crews ✔ Church broadcasts ✔ Film production ✔ Sports events (e.g., football referees). Adjustable Headband & Rotatable Mic for All-Day Comfort: Flexible headband fits all head sizes. 270° rotatable microphone + soft sponge ear cushions prevent fatigue during long shifts VOX Hands-Free Operation (Requires Radio Sync): VOX function activates transmission when you speak—must enable VOX on both headset and walkie-talkie. Ideal for:✔ Security teams ✔ Stage crews ✔ Tactical use Precision Boom Mic for Crystal-Clear Audio:Adjustable boom mic positions 1–3cm from the mouth, ensuring clear voice transmission even in windy/chaotic environments