The SENA Handlebar 4 Button Remote is a stylish SENA Accessory that clips onto your bars so you can have immediate access to SENA menu functions without needing to reach up to your helmet.Bluetooth 4.1 enabledWorking distance of up to 10mWater resistantOperating time of 5 months3V CR2016 Lithium coin BatteryCE, FCC and IC certificationThe SENA Handlebar 4 Button Remote has a 4-button array which can easily handle tasks like engaging intercom, answering calls or changing a song. The RC4 strikes a balance between ease of use with a gloved hand while being unobtrusive enough not to interfere with the other controls on your bike.The RC4 links up with Smart Ready SENA Bluetooth headsets such as the 30K, 20S, 10U, 10R, 10S and 10C as well as the SENA Cavalry Helmet and Schuberth SC1 to enable remote operation.