Sena 50S Harman Kardon Mesh Intercom - Dual Pack The 50S Bluetooth Communication System with Mesh Intercom from Sena features re-engineered HD speakers, multilingual voice commands and WiFi capability with automatic firmware updates. Both the speakers and microphone were created with the audio experts at Harman Kardon to provide world-class sound for one of Sena's most popular devices. Speakers send crystal clear audio to riders' ears while the microphone, with a newly designed sensor, provides strong performance for voice communication. the Mesh technology provide a more reliable and clear connection. Within the Mesh network, riders will have the ability to choose two different types of channels: Multi-Channel Open Mesh Intercom, allowing connections to a near-limitless number of riders inside of a 5-mile range and Group Mesh Intercom, providing the ability to create a private mesh intercom group of up to 24 riders. Voice commands give you control of Sena's 50S system functions, such as answering the phone or starting up a Group Mesh session. These voice command functions are offered across eight languages. Fully charges in only an hour, providing 9 hours of Mesh intercom talk time or 14 hours of Bluetooth intercom talk time. Features Premium Speakers & Microphone with Sound BY Harman Kardon One-Click-to-Connect Mesh Intercom, Robust Reliability Mesh Intercom 2.0 Technology Voice-activated digital assistant access (Hey Google/Hey Siri) 30 faster rapid charging - full charge after 1 hour Quick Charge: 20 minutes of charging equals 6 hours Bluetooth intercom or 3.5 hours Mesh Intercom 9-hours of Mesh intercom talk time or 14 hours of Bluetooth intercom talk time Sena Motorcycle app provides a way to visually configure and connect to other riders Automatic firmware updates via the included WiFi Adapter Multi-channel open mesh intercom (up to 9 channels) Simplified layout with large jog dial menu navigation Open Mesh Intercom: Range of up to 5 miles / 8 km (min. 6 riders 1 mi / 1.6 km intervals) Bluetooth Intercom: Range of up to 1.2 miles in open terrain Multi-person intercom (infinite) Remote control compatible Music sharing Audio Multitasking Advanced Noise Control Wide volume control 3.5mm earbud port Bluetooth 5.0 3-year Manufacturer's Warranty