Small and lightweight, Beltone Direct Phone Link is the only device to access 2.4 GHz technology for a secure connection from Bluetooth phones directly to your hearing aids. Speak hands-free, and enjoy crisp, clear conversation. Your phone can even stay put away in your purse or pocket. The Direct Phone Link also serves as a remote control to change your environmental programs and adjust volume. It connects to two different phones. And, the mute button eliminates background noise when you're conversing in loud surroundings.