The Sena Rumba is a dual-certified multi-sport Bluetooth helmet featuring Sena's proven communication tech built-in. Suited for use for cyclists and skaters alike, Rumba features 2-way HD Intercom with an effective range of up to 400 m (0.25 mi). The integrated speakers and microphone allow you to communicate with a friend or, when paired to your smartphone, let you take phone calls or listen to your music.