Check the listing for details. Helmets Speaker Earphone Intercom Mic 3.5mm Straight Head for Motorcycle Helmets. Condition: New. Listed at 10.62 USD. Helmets Speaker Earphone Intercom Mic 3.5mm Straight Head for Motorcycle Helmets Features: Motorbike helmets headphones microphone, half cover helmets headsets mic. Double speaker, single mic with microphone rod, 3.5 straight head,4 section. Microphone with noise cancellation, excellent transmission and clearly sound quality. Craft from quality cable, for long time use. Designing for motorbike enthusiasts, these headsets can be easily mounted on helmets to provide a safe and convenient connection. Specifications: ABS Name: Helmets special microphone Type: Half-covered helmets Headsets mic Directionality: Omnidirectional Sensitivity: -32DB (±3DB) Port: 3.5mm straight head Product colour: black Wire length: 77cm long (3 wire are not the same length) Speaker: 2 speaker (32Ω) Microphone: 1 microphone Suitable for: half-cover, motorbike helmets Package Includes: 1x Motorbike Helmets Headsets Microphone note: Only mic, Interphones is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.