The Cardo Freecom 4 leads the pack when it comes to 4-way Bluetooth communication systems. Keep your hand on the throttle and eyes up on the road with the all-new voice operation capabilites. Just say, "hey Cardo" and your Freecom 4 will take care of the rest. With the ability to have 4-way conversations with your group, even with other non-Cardo headsets. The Freecom 4 has an impressive range of 1.2km/0.8mi (in perfect conditions). So if you like to lead the pack or bring up the rear, you're always in range. The Freecom 4 combines ergonomics with aerodynamics. Coming in at only 20mm thick, the 4 is the thinnest Bluetooth communication system in its class. It shares many of the same features as the Freecom 1 and Freecom 2 like, Automatic Volume, Audio Sharing, Call-to-Intercom, and many more! Enjoy all this with unmatched sound quality thanks to JBL Audio.