2pcs Fodsports M1-S Pro motorcycle intercom helmet bluetooth headset 8 rider 2000M waterproof wireless communicator interphoneExperience the ultimate 8 rider group intercom with Fodsports' M1 S Pro helmet headset. Connecting with Bluetooth 5. 0, this device boasts a maximum intercom distance of over 1000m, has universal pairing functions, and offers noise reduction and waterproofing for riders up to 120 KM h. Including a 900mA built in battery and voice reminders, let the passion ignite and enjoy intercom conversation with up to 8 riders at the same time!