Features: - Multi-functions : Car use/Desktop use/Headset use - Phone & Headset real time power supply - Extension microphone in car use - DSP control V noise suppression,echo cancellation - Dual-wa
Features: - Multi-functions : Car use/Desktop use/Headset use - Phone & Headset real time power supply - Extension microphone in car use - DSP control - noise suppression,echo cancellation - Dual-way