HD Noise-Proof Helmet Intercom Headset Microphone(10Pin Plug+Single Microphone+Double Speaker)

1. Directionality: omnidirectional/unidirectional 2. Microphone core size: 6.0x2.7mm 3. Sensitivity: -34DB 4. Plug: 10Pin plug 5. Wire size: 1.5mm/2 core wire 6. Cord length: 77CM (3 cords) 7. Speakers: 2 speakers (32 ohms) 8. Microphone: 1 microphone 9. Applicable to: motorcycle helmets