FEATURES: • Noise Reduction: Reduce the background noise of the other party - When the area around the other party is noisy and it is difficult to hear, you can reduce the surrounding noise to make the speaker's voice easier to hear just by pressing the dedicated button. • Smart Function Key: Easy access to necessary functions - The Smart Function Key flashes according to the situation. By pressing this key while it is flashing, you can play an answering machine message or respond to a call....