Bluetrek ( has launched a Bluetooth headset specially designed for iPhone 4 and 3GS. It’s an US$59.99 silver color case in a brushed metallic finish on a reinforced aluminum casing.

The Bluetooth chipset used in this Metal Evolution headset is from the same maker as the one used in the iPhones. The audio tuning of the Metal Evolution for iPhone is specially catered to iPhone 4 and 3GS, according to John Haley, director of Bluetrek USA. In addition, the headset is equipped with “NoiseLock” noise cancellation technology that effectively eliminates background noise in the surrounding environment up to 80dB, he adds.

The belt clip also embeds a mini USB adapter to charge the headset from any standard USB compatible travel charger or car charger.