Cardo Freecom 4X Headset At the top of Cardo's Freecom range sits the Freecom 4X. Connecting up to 4 riders at a range of 1.2 km with Natural Voice Operation, Live Intercom with auto-reconnect and Over-the-Air software updates, the Freecom 4X delivers premium features in a slim and compact design. Powered by Bluetooth 5.2 and 40mm JBL speakers, it delivers some of the clearest and loudest audio on the market. Intercom Connect up to 4 riders simultaneously at a range of 1.2 km / 0.75 miles Live Bluetooth Intercom with auto-reconnect Universal connectivity with any brand intercom system Bluetooth and Connectivity Bluetooth 5.2 Two Bluetooth channels to connect phone and GPS devices simultaneously USB-C connection Over-the-Air software updates via the Cardo Connect app, compatible with iOS and Android Voice and Controls Natural Voice Operation, just say "Hey Cardo" to control the headset hands-free Easy-to-use control wheel Multilingual status announcements Automatic Volume Control adjusts output based on ambient noise levels Phone Features Make, receive and reject calls Speed dial Conference call with intercom Audio 40mm JBL speakers for clear, powerful sound Built-in FM radio with RDS Battery Up to 13 hours of talk time Fast charging delivers 2 hours of talk time after just 20 minutes of charging 10 day standby time Build Waterproof construction Slim and compact design