Specification: Brand new Material: ABS Color: Black Speaker Diameter: Approx. 1.73 inch Include Mic/Speaker cable, clips This is a set of motorcycle helmet interphone intercom headsets accessory - speaker/earphone set and clip. Suitable for helmet bluetooth intercomV4 and V6. It's specially offered to backup for bluetooth intercom interphone and some motorcyclers who own several Motorcycle helmets, with this backup, you no longer need to change headset from this helmet to another one. 3.5mm jack plug(iPhone's earphone is compatible). Package Included: 1 * Helmet Headset (Microphone +Speaker) 1 * Intercom Holder Clip Note: Please allow minor deviation due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.