iVoice Diamond-X Noise-Cancelling Bluetooth Headset (Red) Intelligent Voice Operator Voice interface enables Voice prompts functionality for audible caller ID Sleek, simple one-button design provides users complete control over all headset functions-Intuitive Smart Convenient Design Automatic volume control to help you hear incoming callers even in a noisy environment Noise Cancellation technology for environment noise suppression, wind noise reduction and echo cancellation iCONNECT2 Multipoint technology for a simultaneous connection with up to two mobile phones