This SENA Helmet Clamp Kit from Discount Moto Gear is specially crafted for use with Bell Mag-9 and Bell Qualifer DLX helmets. It features:

• Bluetooth 3.0
• Universal 4-way intercom up to 900 m / 980 yards perfect for rider passenger communication.
• Music sharing w/playback control.
• Advanced noise control™ for a clear, uninterrupted connection.
• A versatile jog dial for easy control.
• An audio boost for enhanced sound quality.
• Firmware upgradable, ensuring you're always up to date with the latest from SENA.
• A Headset Main Unit.
• Speaker-Microphone Clamp Unit.
• Including a USB Power & Data Cable, Cigarette Charger, a 3.5mm Stereo Audio Jack Cable, a Glued Surface Mounting Adaptor, and a Microphone Sponge.