Bluetooth 4.1 Two-way HD Intercom 400 meters distance (upto 1/4 mile) Up to 8 hour talk time USB-C charging Sena Utility App support. Staying connected on the road has never been more seamless — and the 3S Plus Bluetooth System Components is engineered to make communication effortless so you can keep your focus where it belongs: on the ride. Bluetooth 4.1. Two-way HD Intercom. 400 meters distance (upto 1/4 mile). Up to 8 hour talk time. Advanced Noise Control technology cuts through wind and road noise so every call and intercom conversation stays clear, whether you're cruising the highway or pushing through mountain twisties. At The Helmet Shop, Sena communication systems are our go-to recommendation for riders who want reliable, feature-rich connectivity. Backed by Sena's warranty. You may also like SENA 50C Motorcycle Com & Camera SENA SMART HJC 21B UNIT CARDO PACKTALK EDGE - SINGLE
