The Walkers Ultimate Quad Connect are more than just protection for your ears, they allow you to sync your mobile device, including your phone using Bluetooth so you can take an incoming call while out on the range. You can even listen to music, a pod-cast, and other media all through the Bluetooth functionality. All the protection you require with added features you will love. Features Bluetooth Sync with mobile device Integrated communication mic Make and receive phone calls through headset Four Hi Gain Omni Directional Microphones