More installation options than ever before With three ways to install and the simple control of the three-button design, the RC3 offers the versatility you want and need while riding. Clip the device directly on your right sleeve, or attach it to the body of your motorcycle with either the adhesive type mount or the loop and fastener type mount to have full control of your Sena Bluetooth® communication gear. With a battery life of about 5 months, you’ll no longer have to reach to your helmet to intercom, answer calls or change a song again. Designed for Sena Bluetooth 4.1 Headsets The RC3 works with Bluetooth Smart Ready-enabled gear, which is part of the Bluetooth® 4.1 standard Compatible Models: 30K, 20S, 10U, 10C, 10R and 10S General Operating time: 5 months Operating temperature: -10 °C - 55 °C (14°F - 131°F) Water resistant Dimensions: 27.9 mm x 64.2 mm x 11.6 mm (1.1 in x 2.5 in x 0.5 in) Weight: 11g ( 0.39oz) Bluetooth Generic Access Profile (GAP) Generic Attribute Profile (GATT) Bluetooth 4.1 Working distance: up to 10 meters Battery Type: CR2016 Lithium coin battery Voltage: 3 V Certificates FCC, IC