Feature:1. High Quality Material: Motorcycle helmet earphone shell is made of ABS material, windproof, more stable connection, which is sturdy and durable.2. Stereo: This helmet headset has good sound insulation, can transmit clear and high quality stereo music, has a large volume, and is suitable for outdoor use.3. Universal: The universal helmet speaker is suitable for racing scanners and radios with 3.5mm/0.1in plugs, it has good compatibility, plug and play, and easy to use.4. Widely Applicable: 1.2m/3.9ft headphone cable length to ensure free movement when driving, very suitable for motorcycles, bicycles, MBX, off road riding, etc.5. Hands Free: This headset supports hands free calls, it is more convenient to listen to music and answer calls, free your hands, and make outdoor use safer.How to Use:Plug and play.Specification:Item Type: EarphoneMaterial: ABSColor: BlackModel: T33Function: Sound TransmissionScope of Application: Sound Equipment with 3.5mm/0.1in Interface Package List:1 x EarphoneNote:Manual measurement, please allow some errors.