Metal Evolution for iPhone™

Optimized Bluetooth headset connectivity, compatibility, and specially audio tuned for iPhone™ 4 & 3GS. Its superior NoiseLock™ technology effectively eliminates noise up to 80dB in the background environment. Multipoint technology supports active connections with two Bluetooth enabled mobile devices simultaneously.

Best in class noise cancellation

Its superior NoiseLock™ technology effectively eliminates noise up to 80dB in the background environment. (the average noise level on a busy road noise)

Multipoint technology

Supports active connections with 2 Bluetooth enabled mobile devices simultaneously

VoIP - Supports Bluetooth enabled computers for VoIP calling, such as Skype

Other operation features

Volume up, volume down, mute, unmute, transfer calls between phone and headset, call waiting, call reject, last number redial etc.

All credits and information was found on bluetrek.com