E2 Dual‑PTT Intercom Bluetooth Headset supports dual‑PTT wireless remote for simultaneous connection of two Bluetooth devices like walkie‑talkies and mobile phones. It realizes dual‑channel concurrent‑listening, separate transmitting and confidential communication. Featuring dual‑mic dynamic noise reduction and anti‑howling, it supports 100‑meter full‑duplex intercom and mainstream Android POC applications.