SENA 50R-01 Bluetooth SINGLE Headset Kit for Motorcycles (1 Headset), 50R-01 | Mesh 2.0 Intercom lets you communicate with other riders within a range of up to 5 miles / 8 km (min. 6 riders at 1 mi / 1.6 km intervals) | Multi-Channel Open Mesh allows communication with a near-limitless number of riders and lets you switch between 9 channels. Group Mesh supports up to 24 participants in a private group | Bluetooth 5 connectivity to your smartphone for access to music, phone calls, GPS navigation | Voice-activated digital assistant access to utilize a smartphone's hands-free functions ("Hey Siri" / "Hey Google") --- Upgraded HD Speakers optimized for audio quality, delivering a boost in volume, bass, and clarity. Includes a WiFi Cable to charge the device and to automatically download/install firmware updates via WiFi connectivity.