Strong group communication is the key to any successful day riding the mountains. Find separated riders, communicate plans and share observations in real time with the BC Link communication system. The Smart Mic user interface is located at your fingertips, meaning you never need to dig your 2-way radio out of your pack to change settings. Glove-friendly controls include: on/off and volume control, channel control, push-to-talk button, loudspeaker, earphone jack and battery indicator. Rechargeable lithium ion battery pack provides up to 4 days of battery life in cold weather. BC Link 2-way radios operate on 22 FRS GMRS channels + 121 sub-channels to ensure minimal interference.