Bluetooth 4.1 Water resistant CR2016 lithium coin battery (1 included) Compatible with other 4.1 Sena models: 30K, 20S, 10U, 10C, 10R, and 10S The RC4 Remote is a quality Sena product built for riders who want reliable performance and smart connectivity on every ride. Bluetooth 4.1. Water resistant. CR2016 lithium coin battery (1 included). Sena has been setting the standard for motorcycle communication since the beginning of Bluetooth riding technology — and this product reflects that same commitment to innovation and dependability. At The Helmet Shop, we carry the full Sena lineup because we trust what they build. Backed by Sena's warranty. You may also like SENA SF1 Bluetooth Communication System CARDO FREECOM 4X - DUO SENA 10S Bluetooth 4.1 Headset & Intercom
