Use the S-9 on your daily commute and your weekend rides. Enjoy the versatility of a hands free headset for any journey on the road. The S-9 features a group intercom for 4-6 riders with continuous intercom functionality up to 500m. Pair the S-9 with your Phone or GPS device to listen and share directions or play your music on the road. Purchase more than one base unit and transfer your S-9 from one helmet to another as the needs arises.