Features: 1. Dynamic pickup, subdivided multi-channel sound source, gain and loss more fine, the true restoration of all the sounds normally heard 2. through the intelligent acoustic control, 120dB volume, vocal amplification clear and not distorted 3. Physical buttons with clear prompts, 8-speed volume adjustment 4. Lightweight hanging neck, listening without burden, release the ears, wear long time without fatigue 5. Skin-friendly silicone material, comfortable to wear 6. Optimize the distance between the headset, to avoid whistling
