2x 1000m Motorcycle Bluetooth BT Crystal Clear Voice Quality Handsfree Cell Phone Multi Helmet Motorcyclists Rider to Passenger Biker to Biker Skiers Intercom Interphone MP3 Stereo DSP Echo Cancellation Ear Phone Microphone Headsets New This headset works with any Bluetooth equipped mobile phone This device allows bikers to receive GPS voice instructions, communicate withthe passenger on the back seat Bike-to-bike intercom for rider& passenger or two separate bikes up to 1000meters With DSP echo cancellation and noise suppression technology, crystal clear voice quality is guaranteed in a high speed Button panel is water-proof and sun-proof, while the design is durable